GB1340305A - Photoelectric keyboard for data input devices - Google Patents

Photoelectric keyboard for data input devices

Info

Publication number
GB1340305A
GB1340305A GB3273472A GB3273472A GB1340305A GB 1340305 A GB1340305 A GB 1340305A GB 3273472 A GB3273472 A GB 3273472A GB 3273472 A GB3273472 A GB 3273472A GB 1340305 A GB1340305 A GB 1340305A
Authority
GB
United Kingdom
Prior art keywords
mask
key
july
apertures
produce
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
GB3273472A
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1340305A publication Critical patent/GB1340305A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/56—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
    • H01H13/60—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force with contact-driving member moved alternately in opposite directions
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/968—Switches controlled by moving an element forming part of the switch using opto-electronic devices
    • H03K17/969—Switches controlled by moving an element forming part of the switch using opto-electronic devices having a plurality of control members, e.g. keyboard

Landscapes

  • Input From Keyboards Or The Like (AREA)
GB3273472A 1971-07-15 1972-07-13 Photoelectric keyboard for data input devices Expired GB1340305A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712135440 DE2135440C3 (de) 1971-07-15 1971-07-15 Fotoelektrische Tastatur für Dateneingabegeräte od.dgl

Publications (1)

Publication Number Publication Date
GB1340305A true GB1340305A (en) 1973-12-12

Family

ID=5813817

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3273472A Expired GB1340305A (en) 1971-07-15 1972-07-13 Photoelectric keyboard for data input devices

Country Status (10)

Country Link
AU (1) AU468000B2 (enrdf_load_stackoverflow)
BE (1) BE788731A (enrdf_load_stackoverflow)
CH (1) CH540529A (enrdf_load_stackoverflow)
DD (1) DD97803A5 (enrdf_load_stackoverflow)
DE (1) DE2135440C3 (enrdf_load_stackoverflow)
DK (1) DK130092B (enrdf_load_stackoverflow)
ES (1) ES404909A1 (enrdf_load_stackoverflow)
FR (1) FR2146057A5 (enrdf_load_stackoverflow)
GB (1) GB1340305A (enrdf_load_stackoverflow)
IT (1) IT962475B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2595179B1 (fr) * 1986-02-28 1988-05-06 Labo Electronique Physique Four a micro-ondes muni de moyens de controle reduisant les risques de fonctionnement sans charge

Also Published As

Publication number Publication date
DE2135440A1 (de) 1973-01-25
FR2146057A5 (enrdf_load_stackoverflow) 1973-02-23
AU468000B2 (en) 1975-12-18
BE788731A (fr) 1973-03-13
CH540529A (de) 1973-08-15
DD97803A5 (enrdf_load_stackoverflow) 1973-05-12
AU4382872A (en) 1974-01-03
IT962475B (it) 1973-12-20
DK130092B (da) 1974-12-16
DE2135440B2 (de) 1973-05-30
DK130092C (enrdf_load_stackoverflow) 1975-07-14
ES404909A1 (es) 1975-06-16
DE2135440C3 (de) 1974-01-03

Similar Documents

Publication Publication Date Title
US3707609A (en) Diaphragm pushbutton switch array for keyboards
ES196898U (es) Cerradura de llave con mando por boton pulsador.
US3648050A (en) Optoelectronic data entry means having plurality of control means to direct part of radiation in channel from radiation source to output channel
US3735395A (en) Projection type keyboard device
GB1493809A (en) Push button keyboard members
GB1238428A (enrdf_load_stackoverflow)
US3668407A (en) Optical switching for keyboard encoder
ES486459A1 (es) Dispositivo de conmutacion electrica o electronica formando boton pulsador o teclado con teclas hundibles
GB1340305A (en) Photoelectric keyboard for data input devices
US3750150A (en) Photoelectric keyboard for data input devices or the like
US3769514A (en) Coded radiation reflective lock
GB1385972A (en) Microfilm apparatus
GB1410811A (en) Keyboard apparatus
US3611357A (en) Pushbutton keyboard assembly
US3777155A (en) Data input system for an electrical machine
GB1178431A (en) Improvements in or relating to Push-Button Mechanisms.
GB1108147A (en) Illuminable sliding-contact switch
GB1376691A (en) Photoelectric pushbutton switch
SU1282109A1 (ru) Устройство дл ввода информации
GB1431200A (en) Encoding apparatus
US3872468A (en) Keyboard for calculating, accounting and other office machines
SU1481735A2 (ru) Устройство дл ввода информации
SU1550505A1 (ru) Устройство дл ввода информации
GB1006003A (en) Push-button mechanisms
FR2359496A1 (fr) Touche de clavier a double effet

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee