New member asks about Paper tape reader/punch - Page 2
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  1. #21
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    My career started due to Baudot code !

    I had a communications receiver, and I realised that although there was lots of voice comms, there was an awful lot of radio teletype traffic.

    I had a very early microprocessor development system - an SC/MP - I built a phase locked loop decoder circuit and started to decode live traffic into English!

    Then I got a Z80 based S100 system and things got very interesting.

    To cut a long story short, all this was grist to the mill when I left college and was looking for a job. The interviewers were amazed what I'd achieved, and I stayed with that company for best part of 30 years working amongst other places at GCHQ in Cheltenham and Bletchley Park where the Enigma code was broken during WW11

    Paper tape was of course rather important breaking Enigma !

  2. #22
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    Quote Originally Posted by andrewmawson View Post
    My career started due to Baudot code !

    I had a communications receiver, and I realised that although there was lots of voice comms, there was an awful lot of radio teletype traffic.

    I had a very early microprocessor development system - an SC/MP - I built a phase locked loop decoder circuit and started to decode live traffic into English!

    Then I got a Z80 based S100 system and things got very interesting.

    To cut a long story short, all this was grist to the mill when I left college and was looking for a job. The interviewers were amazed what I'd achieved, and I stayed with that company for best part of 30 years working amongst other places at GCHQ in Cheltenham and Bletchley Park where the Enigma code was broken during WW11

    Paper tape was of course rather important breaking Enigma !
    Grist to the mill. Thats an interesting phrase. Never heard that before. Yet to go to Bletchley Park but we will. Maybe this year.
    I got in contact with a guy in Germany who's got a manual for the Ghielmetti FER Reader unit. He's going to scan it and PDF it. I'll make a video of the machine doing a punch/read and stick it on youtube later.

  3. #23
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    Grist is grain that has had the chaff removed

  4. #24
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    One of the machines is a little beaten up so I've taken out the reader mechanism to have a look at and work out if I could possibly interface it to a microcontroller or Z80 system. The reader is a Ghielmetti FER204. Sven from Germany is sending me a manual in German for the FER201 so I should get some info out of that.. Pics below:
    204front.jpg204frontopen.jpg204innards.jpg204motor.jpg
    Can anyone help me with the motor wiring?
    Its a Japan Servo 28V 15 deg/step motor and has five wires. yellow, brown, red, orange, black.

  5. #25
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    Quote Originally Posted by andrewmawson View Post
    If you need 1" paper tape I have cornered the worlds supply in a big pile of boxes
    I know it's been 3 years since you posted this, but I'm building a paper tape punch, and can't find 1" paper tape anywhere.

    Want to sell me some? I'm in the US.

    (Perhaps needless to say, this is a hobby project.)

  6. #26
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    Quote Originally Posted by Dave92F1 View Post
    I'm building a paper tape punch, and can't find 1" paper tape anywhere.

    Want to sell me some? I'm in the US.
    See if Western NC is still around. He moved up to Grass Valley or Reno or Carson City or somewhere like that some years ago. Maybe Hangtown ?

  7. #27
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    EBay is your friend. There's a lot of paper tape at various widths. Here's a bunch of 1 inch tape: NOS Case 7 Rolls 1" Wide Teletype RTTY Reperforator Transmitter Tape Oiled | eBay

  8. #28
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    If you can't find any you can have what we still own.

    For free.

    Includes lovely yellow/green mylar

  9. #29
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    Quote Originally Posted by andrewmawson View Post
    Tape readers and punches need to be preserved for posterity !

    Many a CNC machine has it's original parameters issued as an oiled paper tape and is the 'ultimate back up'. I have them for my Fanuc 6 based Fanuc Tapecut Model M EDM machine, and aso for my TX8F controlled Traub TND350G 5 axis CNC lathe.

    I have two paper tape readers myself - Facit 4070's.

    When I worked for Ferranti decades ago we used paper tape frequently as a test program media - tape readers were ICL TR6's and GNT XXX - don't remember the numbers. Later systems used the Facit 4070.

    If you need 1" paper tape I have cornered the worlds supply in a big pile of boxes
    Hi Andrew

    I am interested in 1inch paper tape . Are they still available?

    Thank you .

    Alex


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