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Topic: Friden Flexowriter


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In the News (Wed 11 Nov 09)

  
  Reference.com/Encyclopedia/Friden Flexowriter
The Friden Flexowriter, or flexowriter as on its nameplate, was a teleprinter based on a 1940s IBM product that was spun off as an independent company and later sold to the Friden Corp. It could punch and read 6-bit paper tape.
Auxiliary paper-tape readers could be attached to a Flexowriter to create an early form of "mail merge", where a long custom-created tape containing individual addresses and salutations was merged with a closed-loop form-letter and printed on continuous-form letterhead; both tapes contained embedded "control characters" to switch between readers.
The Flexowriter was also used as an input/output device for some early computers, such as the Librascope LGP-30, the CDC 160, and the DEC PDP-1.
www.reference.com /browse/wiki/Friden_Flexowriter   (530 words)

  
 Friden Flexowriter - Wikipedia, the free encyclopedia
Unlike teletype machines that use the 5-bit Baudot code, the Flexowriter had upper and lower case characters.
It was also used instead of a key punch for off-line program and data entry.
Friden was acquired by the Singer Corporation in 1963.
en.wikipedia.org /wiki/Friden_Flexowriter   (600 words)

  
 Hardware Interface Developments for the D17B Computer   (Site not responding. Last check: 2007-10-18)
Figure 1 is a schematic of the interconnections between the Flexowriter and the D17B.
Figure 2 is a block diagram of the electronic circuits required for conditioning the input signals to the D17B from the Flexowriter.
Figure 5 is a block diagram of the electronic circuits required for conditioning the input signals to the Flexowriter from the D17B.
www.insinga.com /aron/antique/d17b2/d17b2_interface.html   (303 words)

  
 Notes
109 This is a Friden Flexowriter, a commercial machine based on an IBM electric typewriter mechanism.
This Flexowriter has a wide carriage and is typing on wide paper, maybe the 14-7/8" width that was later standard in data processing.
Thus the Flexowriter could be used to produce personalized form letter by inserting stop codes at appropriate points and manually typing in individualized insertions.
www.dpbsmith.com /mec/mecnotes.html   (1320 words)

  
 Friden Flexowriter   (Site not responding. Last check: 2007-10-18)
Friden OEM'd several versions of the Flexowriter, such as this 1969 Burroughs version.
The computer interface is via a large cable with a 75-pin AMP connector.
This Flexowriter is still electromechanical, but it has some transistorized interface logic (rear), and a few blinking lights up front.
www.blinkenlights.com /classiccmp/friden/burroughs.html   (46 words)

  
 The Dead media Project:Working Notes:41.3
The SPS (Systems Programmatic Single case) Flexowriter was normally equipped with both reader and punch capable of recording and reading edge cards as well as paper tape.
As the Flexowriter printed an invoice, extensions were set into the calculator, and line totals fed back out into the Flexowriter.
The SPS Flexowriter was superceded by the 2201 and 2301 Flexowriters, a little faster, at 12 bytes per second, instead of the original 10.
www.deadmedia.org /notes/41/413.html   (1044 words)

  
 Paper Tape   (Site not responding. Last check: 2007-10-18)
Flexowriter keyboard was similar to a typewriter keyboard.
Paper tape reader and punch on the side of the Flexowriter.
It ensures that the Flexowriter starts in a definite basket position with the carraige in the extreme left hand margin position.
www.staff.ncl.ac.uk /roger.broughton/iomedia/pt4.htm   (312 words)

  
 Friden Calculators
A story of the "wedding" between the IBM typewriter and the Friden calculator to create the Benson-Lehner Computyper.
This is a complete service manual covering the Friden models, CW, DW, SW, SRW and ACG.
While this manual was written for the Friden Model SRQ Calculator, all applications may be completed with Friden Models STQ and SBQ.
users.lewiston.com /ejorgens/office/friden/friden.html   (233 words)

  
 TECO
On these machines, the normal development process involved the use of a Friden Flexowriter to prepare source code offline on a continuous strip of punched paper tape.
Programmers of the big IBM computers customarily punched their source code on cards, using keypunches which printed human-readable dot-matrix characters along the top of every card at the same time as they punched each machine-readable character.
TECO's then-sophisticated searching operations were motivated by the fact that the offline Flexowriter printouts were not line-numbered; therefore editing locations needed to be specified by context rather than by line number.
www.teachtime.com /en/wikipedia/t/te/teco.html   (812 words)

  
 Flexowriter   (Site not responding. Last check: 2007-10-18)
The Friden Flexowriter, model SFD, was used with the early Electrologica X1 computer.
As an example, the coding conventions of the Mathematical Centre's Flexowriters are given here.
The Flexowriter, originally am IBM development, was manufactured or at least assembled in Nijmegen, The Netherlands, from (about) 1955 to 1965.
www.science.uva.nl /faculteit/museum/flexowriter_txt.html   (142 words)

  
 PDP-1 - Wikipedia, the free encyclopedia
Offline devices were typically Friden Flexowriters that had been specially built to operate with the FIO-DEC character coding used by the PDP-1.
Flexowriters had electromechanical paper tape punches and readers which operated synchronously with the typewriter mechanism.
At the museum's PDP-1 restoration celebration in May 2006, Alan Kotok said his Mac G4 laptop was 10,000 times faster, came with 100,000 times the RAM and 500,000 times the storage, was 1/2000 the size, and cost 1/100 as much.
en.wikipedia.org /wiki/PDP-1   (1064 words)

  
 SEA CAB
On the top of the desk, stood the small operator panel and a Friden Flexowriter typewriter, with an integrated paper tape 10cps reader/punch.
The standard input device for programs or data is the Flexowriter paper-tape reader.
The Flexowriter character set had been adapted to the PAF language by introducing the subscripted letters i, j, k and numeric exponents.
www.feb-patrimoine.com /Histoire/english/sea_cab500.htm   (926 words)

  
 Special Purpose Office Typewriters
The Flex-o-writer used paper tape (see photos to right and below) and was also used as an input-output device on computers in the 1950s.
Friden Flexowriter Programmatic with detail of tape reader, 1959
Form letters were produced by a typewriter resting on the left unit.
www.officemuseum.com /typewriters_office_special.htm   (3736 words)

  
 [No title]
I used and wrote programs for the LGP30 as a co-op student with NASA at the Marshall Space Flight Center in Huntsville, Alabama, in 1963 and 1964.
The LGP30 we had used a Friden FlexoWriter (sp?) typewriter for its main input/output device.
We also had a separate "high speed" paper tape reader in a box that was just about the same size as the main cabinet.
neil.franklin.ch /Usenet/alt.folklore.computers/20000610_LGP30   (882 words)

  
 Wikinfo | Word processor
The term word processing was devised by IBM in the 1960s, and originally encompassed all business equipment—including manually operated typewriters—that was concerned with the handling of text, as opposed to data.
Electromechanical paper-tape-based equipment such as the Friden Flexowriter had long been available; the Flexowriter allowed for operations such as repetitive typing of form letters (with a pause for the operator to manually type in the variable information).
In the sixties it began to be feasible to apply the technology developed for electronic computers to office automation tasks.
www.wikinfo.org /wiki.php?title=Word_processor   (870 words)

  
 The Friden Web Site   (Site not responding. Last check: 2007-10-18)
Carl Friden as he appeared at the age of 21 while a mechanical engineer
Friden Calculating Machine Company can keep in touch
A place for Fridenites to discuss the issues of the day
www.nefamily.com /friden   (50 words)

  
 The Computer Age
By using the Friden Flexowriter—a teleprinter that could punch and read six–bit paper tape—member offices could eliminate mailing daily collection registers.
Instead, a typist pulled the cards marked with payments, inserted a tape in the Friden and typed the report.
Once the tape was finished, it was put in the machine so it could be transmitted later via dataphone.
www.acainternational.org /?cid=7966   (636 words)

  
 Crosswalk.com - Dr. Ray Pritchard's Weblog   (Site not responding. Last check: 2007-10-18)
Twenty-five years ago, when I pastored a church in Downey, California, and definitely before the age of personal computers, Marlene and I and Joanne Hale attended a day-long seminar on how to write letters with a whiz-bang machine called the Friden Flexowriter that could produce form letters.
The man at the counter was very patient, but it was confusing when I said I needed 3 8-cent stamps, 3 5-cent stamps, 2 4-cent stamps, and 2 3-cent stamps.
Back home I went, stamps in hand, not thinking anything about what the Friden Flexowriter people would say now.
www.crosswalk.com /news/weblogs/pritchard/?adate=3/28/2005   (1160 words)

  
 [No title]
In the 1960s they had a "computer" version which was programmable in an assembler like language via a paper tape.
I used to be a Flexowriter gear-head in my early 8008 days.
There were 5-bit Baudot Flexowriters; there were Flexowriters using a 6-bit code with upper and lower case that resembled Baudot (the most common kind, I think); and there were ASCII Flexowriters.
neil.franklin.ch /Usenet/alt.folklore.computers/19980904_Flexowriter   (1698 words)

  
 The Encyclopedia of Computer Languages   (Site not responding. Last check: 2007-10-18)
Input is by paper tape from a Flexowriter specially modified to allow the typing of subscripts and superscripts.
Facilities included switches on the console, typewriters for insertion of absolute machine instructions or data values directly into the computer registers, and special Flexowriters with subscript and superscript capabilities which were used to type input values when requested by the computer and for immediate on-line editing of programs or data.
These Flexowriters were also used by the system for job requests and to type out compiling or editing diagnostics.
hopl.murdoch.edu.au /showlanguage2.prx?exp=148   (2065 words)

  
 The Prime Code
These were the first examples of numerically controlled (NC) machines, whose principles were later to be adopted by the Hollerith (later IBM) Company, eventually culminating in the modern programmable computer.
In my first job after graduating from college, back in 1968, I had to program and punch out paper NC program tapes, using a special sort of typewriter called a Friden Flexowriter.
In this case, my punched NC program strips controlled a machine that put eyelets into printed circuit cards, giving it the x and y coordinates to move to for each eyelet and telling it to "do its thing" at each location.
www.thefoggiestnotion.com /prime_code.htm   (1538 words)

  
 WPS:LGP 21:Documentation
It's a great document, containing a complete algebraic description of the machine's operation as well as detailed descriptions of the logic family, schematics, adjustment procedures (no minor thing for the rotating memory) and complete documentation on the peculiar Friden Flexowriter, specific to the LGP computers.
LGP computers used customized Friden Flexowriters as "console" and boot device.
They use this very peculiar 6-bit character code, in two cases, with ITA2-like FIGS/LTRS case-control characters; the character codes map directly (in hardware!) to machine instruction opcodes.
www.wps.com /projects/LGP-21/Documentation/index.html   (289 words)

  
 Moseley Associates, Inc.: TECHNOLOGY: A Century of Progress
The hard-pressed clericals of the back office began to use punched-card equipment for gathering sales and inventory information from invoices.
Many publishers adopted machines like the Friden Flexowriter or Computyper to prepare invoices and produce punched paper tape as a by-product for later processing.
The quest for a way to connect devices and processes was under way, but it would take longer than anyone could have imagined to find reliable and usable solutions.
www.consultmoseley.com /maicentury.htm   (3407 words)

  
 C:\BELLBO~1\COMPUT~1\HTMFILES\00000147.HTM   (Site not responding. Last check: 2007-10-18)
After it was moved to M.I.T., the largest device was a 12-inch point-plotting cathode ray tube (designed by Ben Gurley) and light pen console, giving the TX-0 some physical resemblance to Whirlwind.
In addition to the cathode ray tube, there was a high speed (300 characters per second) Ferranti paper tape reader and a Friden Flexowriter that was used as both a typewriter and paper tape punch.
There was also a large bank of toggle switches, some of which formed the two program accessible registers and some of which formed the
research.microsoft.com /~gbell/Computer_Engineering/00000147.htm   (144 words)

  
 Keyboards for Genuinely Large Character Sets
The later article illustrated the Sinowriter, designed jointly by IBM and the Mergenthaler Linotype company for the U.S. Air Force.
It placed the shapes for the upper right and lower left corners of the character together, one of each to a key, so as to fit them on the conventional keyboard of a Friden Flexowriter, and increased the number of shapes for the lower right corner to 30 from 28.
A later development of this input device with further improvements was known either as the Modified Sinowriter or as the Chicoder, developed at the Itek Corporation.
www.quadibloc.com /comp/kyb02.htm   (2792 words)

  
 Flexowriter interface to 6800 computer   (Site not responding. Last check: 2007-10-18)
Driver program listing (printed by Flexowriter) page 1
Driver program listing (printed by Flexowriter) page 2
Last updated July 3, 2003 by David Forbes
www.nixiebunny.com /flexo/index.html   (82 words)

  
 serial.Classes.Simple2 Questions - Page 2 - Promixis, LLC Forums
Either make it a local function in the same file (before the class definition), or put it in a separate file and use require to load that file.
I used to own a Friden Flexowriter back in the late 70s
Last edited by Rob H : November 9th, 2006 at 03:53 AM.
www.promixis.com /forums/showthread.php?p=106671#post106671   (259 words)

  
 Consumer Reports WebWatch Conference Transcript: Keynote Speaker Jonathan Zittrain of Harvard University (via ...   (Site not responding. Last check: 2007-10-18)
I want to explain what generative means, and I’ll do it first as we think about those laptops I referenced, what their forebears were.
And one forebear of the modern laptop is the Friden Flexowriter, a near neighbor to the teletype that used to be at the front of the Press Club here, spitting out the AP story at 110 baud—do you remember that?
If you actually took two scissors and tape, you could cut and paste your way to a mail merge.
www.consumerwebwatch.org.cob-web.org:8888 /dynamic/conferences-trust-zittrain-keynote.cfm   (4525 words)

  
 Office Machines Americana - Ribbons
*B - Friden Flexowriter - IBM Models A&B - Nylon
AKA Sears, J.C. Penney, Friden, SCM, Marchant, NCR, and others.
These ribbons have now been available for years.
www.officemachinemanuals.com /catalog/ribbons.htm   (478 words)

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