Punch - Revision history

imported>Gfis: image resized

2017-07-18T07:28:12Z

image resized

← Older revision		Revision as of 07:28, 18 July 2017
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			[[File:C0093.jpg\|480px\|right]]
	==Storing information by punching holes into flat media==		==Storing information by punching holes into flat media==
	On looms, mechanical music instruments, telex paper stripes		On looms, mechanical music instruments, telex paper stripes
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	* [http://tyleregeto.com/article/punch-card-emulator Emulator for single holes]		* [http://tyleregeto.com/article/punch-card-emulator Emulator for single holes]
	* [https://rawgit.com/sgsinclair/epistemologica/master/punchcard.html Javascript for a complete card], corresponding [http://stefansinclair.name/punchcard/ description]		* [https://rawgit.com/sgsinclair/epistemologica/master/punchcard.html Javascript for a complete card], corresponding [http://stefansinclair.name/punchcard/ description]
	* [https://www.youtube.com/watch?v=LcwxW2ne-UU Homemade IBM 80 Column Punch Card Reader]. ~~Tis~~ is a homemade Arduino/CHDK/Python/Linux based IBM 80 Column Punch Card Reader. The cards are imaged by the camera under control of the Arduino and CHDK. The sdcard is transferred to Linux and the images are processed into text by a python script. More info/designs/software at [http://codeincluded.blogspot.com codeincluded.blogspot.com].		* [https://www.youtube.com/watch?v=LcwxW2ne-UU Homemade IBM 80 Column Punch Card Reader]. This is a homemade Arduino/CHDK/Python/Linux based IBM 80 Column Punch Card Reader. The cards are imaged by the camera under control of the Arduino and CHDK. The sdcard is transferred to Linux and the images are processed into text by a python script. More info/designs/software at [http://codeincluded.blogspot.com codeincluded.blogspot.com].
	* [https://www.youtube.com/watch?v=6auO8djKRrM Arduino punched card reader]		* [https://www.youtube.com/watch?v=6auO8djKRrM Arduino punched card reader]

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	* Selection of codes		* Selection of codes
	* Show grid of theoretic hole positions		* Show grid of theoretic hole positions
	~~http://www.punctum.com/interest/punch/img/c0093.jpg~~

	===Paper Stripe Puncher===		===Paper Stripe Puncher===

imported>Gfis at 16:58, 17 July 2017

2017-07-17T16:58:48Z

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 Again, there are services on the Internet which do this, for piles of card images, and not too cheap.
 * [http://codeincluded.blogspot.de/2012/07/punchcard-reader-software.html?m=1 Punchcard Reader in Python]; I could not get it running]
-The emulator in JavaScript should habe the following features:
+* [http://tyleregeto.com/article/punch-card-emulator Emulator for single holes]
 * Recognize the card in a larger image, which may be a bit distorted.
 * Use front and rear images
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   GND  7
 You can see it [https://www.youtube.com/watch?v=PblXXQ7CWKg in action].

imported>Gfis at 16:52, 17 July 2017

2017-07-17T16:52:17Z

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 This is in its 2nd stage, with about 400 punched cards shown, distributed over a set of application areas. Still missing are the cards donated by american collectors, and the non-card items (paper stripe, loom ribbon, mechanical music media, hotel keys etc.
 ===Key punch emulator===
-There are several ones on the Internet (c.f. link list below). Desired features would be:
+On the Internet:
 * Usage of the card images from the virtual museum
 * Generation of an image which can be printed with proper diemensions
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 * Realistic sound of an IBM 029
 * Usage of a tabulation card
 ===Punch Card Reader===
 Again, there are services on the Internet which do this, for piles of card images, and not too cheap.
-[http://www.kloth.net/services/cardpunch.php Cardpunch] on kloth.net is a nice emulator for card punching.
+I also have 2 highspeed GNT 3601 punching devices sitting there since many years. The [http://isp.ljm.free.fr/manuels/num/fr/opertgfr.pdf manual (in French)] says on page 387:
-http://www.punctum.com/interest/punch/img/c0093.jpg
+ Signal SUB.D 25 broches (coté GNT)

imported>Gfis at 16:28, 17 July 2017

2017-07-17T16:28:11Z

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-==Virtual Punched Card (and Paper Stripe) Museum==
+==Storing information by punching holes into flat media==
 Before the 1970, programming and data entry was done - if not by manual entry on a switchboard - via punched cards. One line with up to 80 characters on one card: that made a nice pile for 300 lines of programming code or data.
 [http://www.kloth.net/services/cardpunch.php Cardpunch] on kloth.net is a nice emulator for card punching.
-For a start, there are [http://www.punctum.com/interest/punch/index.en.html 6 sample images] of punched cards.
+http://www.punctum.com/interest/punch/img/c0093.jpg

imported>Gfis: stub

2016-09-04T20:14:07Z

stub

New page

==Virtual Punched Card (and Paper Stripe) Museum==

Before the 1970, programming and data entry was done - if not by manual entry on a switchboard - via punched cards. One line with up to 80 characters on one card: that made a nice pile for 300 lines of programming code or data.

[http://www.kloth.net/services/cardpunch.php Cardpunch] on kloth.net is a nice emulator for card punching.

For a start, there are [http://www.punctum.com/interest/punch/index.en.html 6 sample images] of punched cards.