GB538607A - Improvements in or relating to electric systems for the transmission of statistical data - Google Patents

Improvements in or relating to electric systems for the transmission of statistical data

Info

Publication number
GB538607A
GB538607A GB2239/40A GB223940A GB538607A GB 538607 A GB538607 A GB 538607A GB 2239/40 A GB2239/40 A GB 2239/40A GB 223940 A GB223940 A GB 223940A GB 538607 A GB538607 A GB 538607A
Authority
GB
United Kingdom
Prior art keywords
alternators
card
impulses
filters
transmitter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2239/40A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Tabulating Machine Co Ltd
Original Assignee
British Tabulating Machine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British Tabulating Machine Co Ltd filed Critical British Tabulating Machine Co Ltd
Publication of GB538607A publication Critical patent/GB538607A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Near-Field Transmission Systems (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
GB2239/40A 1939-02-03 1940-02-05 Improvements in or relating to electric systems for the transmission of statistical data Expired GB538607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US254410A US2355281A (en) 1939-02-03 1939-02-03 Transmission system for statistical data

Publications (1)

Publication Number Publication Date
GB538607A true GB538607A (en) 1941-08-11

Family

ID=22964207

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2239/40A Expired GB538607A (en) 1939-02-03 1940-02-05 Improvements in or relating to electric systems for the transmission of statistical data

Country Status (4)

Country Link
US (1) US2355281A (xx)
DE (1) DE747554C (xx)
GB (1) GB538607A (xx)
NL (1) NL66000C (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2751148A (en) * 1956-06-19 H allen ctal
GB539745A (en) * 1940-02-16 1941-09-23 William Hatton Improvements in or relating to electric calculator equipment
US2824694A (en) * 1950-09-06 1958-02-25 Boni Alessandro Analytic calculating machine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE527176C (de) * 1929-01-11 1931-06-15 Hermann Gildemeister Dipl Ing Asynchroner elektrischer Fernschnellschreiber

Also Published As

Publication number Publication date
US2355281A (en) 1944-08-08
NL66000C (xx)
DE747554C (de) 1945-01-10

Similar Documents

Publication Publication Date Title
US2133811A (en) Automatic printing telegraphy system
US2402058A (en) Secrecy communication system
US3967067A (en) Secret telephony
US2365450A (en) Radio telegraph multiplex system
US1893158A (en) High-speed printing telegraph
US2275974A (en) Sweep circuit for cathode ray tube distributors
US2092442A (en) Communication system
GB538607A (en) Improvements in or relating to electric systems for the transmission of statistical data
US3808368A (en) Slaved pcm clock circuit
US2453659A (en) Secret telegraph signaling
GB1282134A (en) Digital signalling system
US2975228A (en) Data transmission system
US2433362A (en) Pendulum relay controlled startstop telegraph transmitter
US1740833A (en) Method and means for comparing and selecting radiosignals
US2292944A (en) System for transmitting telegraph signals
US1771446A (en) Regenerative telegraph repeater
US2202541A (en) Television and like system
US1400039A (en) Signaling system
US1800760A (en) Apparatus for distant electrical control
US2509829A (en) Duplex telegraph system
US2171537A (en) Method and apparatus for producing composite signals
US1616326A (en) Telegraph system
US3701848A (en) Testing circuit for a secret signaling system
US2426223A (en) Delay communication system
US2492503A (en) Reperforator