SE382774B - KEY DRUM SWITCH, SPEC. FOR KEYBOARDS FOR DISC MACHINES AND SIMILAR MACHINES - Google Patents

KEY DRUM SWITCH, SPEC. FOR KEYBOARDS FOR DISC MACHINES AND SIMILAR MACHINES

Info

Publication number
SE382774B
SE382774B SE7311409A SE7311409A SE382774B SE 382774 B SE382774 B SE 382774B SE 7311409 A SE7311409 A SE 7311409A SE 7311409 A SE7311409 A SE 7311409A SE 382774 B SE382774 B SE 382774B
Authority
SE
Sweden
Prior art keywords
machines
spec
keyboards
disc
drum switch
Prior art date
Application number
SE7311409A
Other languages
Swedish (sv)
Inventor
W Westram
F Hofmeier
Original Assignee
Siemens Ag
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
Priority claimed from DE2241346A external-priority patent/DE2241346C3/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of SE382774B publication Critical patent/SE382774B/en

Links

Classifications

    • 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
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/16—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 of transmitters, e.g. code-bars, code-discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
SE7311409A 1972-08-23 1973-08-22 KEY DRUM SWITCH, SPEC. FOR KEYBOARDS FOR DISC MACHINES AND SIMILAR MACHINES SE382774B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2241346A DE2241346C3 (en) 1972-08-23 1972-08-23 Key switches, in particular for keyboards in typewriters and similar machines
DE7231118 1972-08-23

Publications (1)

Publication Number Publication Date
SE382774B true SE382774B (en) 1976-02-16

Family

ID=25763736

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7311409A SE382774B (en) 1972-08-23 1973-08-22 KEY DRUM SWITCH, SPEC. FOR KEYBOARDS FOR DISC MACHINES AND SIMILAR MACHINES

Country Status (9)

Country Link
JP (1) JPS5423291B2 (en)
AR (1) AR200879A1 (en)
CH (1) CH561955A5 (en)
CS (1) CS186253B2 (en)
FR (1) FR2197218B1 (en)
GB (1) GB1412808A (en)
IT (1) IT992970B (en)
NL (1) NL174890C (en)
SE (1) SE382774B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51412A (en) * 1974-06-19 1976-01-06 Hitachi Ltd
DE3312217A1 (en) * 1983-04-05 1984-10-11 Dr. Eugen Sasse GmbH Bauelemente für die Elektronik, 8540 Schwabach KEYBOARD KEY, ESPECIALLY FOR TELEPHONE KEYBOARDS
EP0261702A1 (en) * 1986-08-27 1988-03-30 Koninklijke Philips Electronics N.V. Switch provided with wire-shaped contact members
DE102004054617B3 (en) * 2004-11-11 2006-05-11 Zf Friedrichshafen Ag Actuation device with buttons

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3274355A (en) * 1965-02-08 1966-09-20 Scantlin Electronics Inc Cam operated snap switch having wire contacts
US3715545A (en) * 1971-06-18 1973-02-06 Cherry Electrical Prod Momentary push button switch with improved non-conductive cam for normally retaining movable leaf spring contacts in a non-operative position

Also Published As

Publication number Publication date
CS186253B2 (en) 1978-11-30
CH561955A5 (en) 1975-05-15
NL174890B (en) 1984-03-16
NL174890C (en) 1984-08-16
GB1412808A (en) 1975-11-05
AR200879A1 (en) 1974-12-27
AU5912673A (en) 1975-02-13
NL7311315A (en) 1974-02-26
JPS4957918A (en) 1974-06-05
JPS5423291B2 (en) 1979-08-13
IT992970B (en) 1975-09-30
FR2197218B1 (en) 1977-09-09
FR2197218A1 (en) 1974-03-22

Similar Documents

Publication Publication Date Title
DK143007C (en) KEY SWITCH
CH551045A (en) KEY OPERATED DATA ENTRY DEVICE.
NL184137C (en) INTEGRATED SIGNAL CORRELATOR SWITCH.
CH554598A (en) SELF SWITCH.
NL167267C (en) PUSH-BUTTON SWITCH.
SE382279B (en) ELECTRIC KEYBOARD SWITCH.
NL7509584A (en) KEY SWITCH SYSTEM.
CH557588A (en) KEY SWITCH.
NL178931C (en) GATE SWITCH.
NL185122C (en) BLOCKING SWITCH.
NL163051C (en) ROLLER SWITCH.
SE382774B (en) KEY DRUM SWITCH, SPEC. FOR KEYBOARDS FOR DISC MACHINES AND SIMILAR MACHINES
NL7408664A (en) KEYBOARD SWITCH.
NL7405669A (en) MAGNETIC KEY SWITCH.
IT949087B (en) KEY SWITCH
BR7207871D0 (en) FAST OPERATION KEY
NL173004B (en) LOGIC SWITCH.
NL170591C (en) KEY CARRIER.
ES183429Y (en) SWITCH.
SE384946B (en) PUSH BUTTON DRUM SWITCH
NL183691C (en) LOGIC GATE SWITCH.
AR201291A1 (en) SWITCH, PARTICULARLY PUSH BUTTON
ES188048Y (en) MULTIPLE KEY.
ES177006Y (en) IDENTIFYING DEVICE FOR KEYS.
ES207249Y (en) ROTARY SWITCH.