IT965152B - Tastiera con contatti a membrana di tipo miniatura particolarmente per telefoni e simili - Google Patents

Tastiera con contatti a membrana di tipo miniatura particolarmente per telefoni e simili

Info

Publication number
IT965152B
IT965152B IT69769/72A IT6976972A IT965152B IT 965152 B IT965152 B IT 965152B IT 69769/72 A IT69769/72 A IT 69769/72A IT 6976972 A IT6976972 A IT 6976972A IT 965152 B IT965152 B IT 965152B
Authority
IT
Italy
Prior art keywords
telephones
keyboard
similar
membrane contacts
type particularly
Prior art date
Application number
IT69769/72A
Other languages
English (en)
Italian (it)
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Application granted granted Critical
Publication of IT965152B publication Critical patent/IT965152B/it

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
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/20—Dynamic coding, i.e. by key scanning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2207/00—Connections
    • H01H2207/004—Printed circuit tail
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/026—Pencil operated
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2225/00—Switch site location
    • H01H2225/018—Consecutive operations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/012—Vacuum deposition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/002—Calculator, computer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/022—Telephone handset
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/05—Card, e.g. credit card
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/01—Miscellaneous combined with other elements on the same substrate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/026—Internal encoding, e.g. validity bit

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Telephone Set Structure (AREA)
IT69769/72A 1971-08-30 1972-08-29 Tastiera con contatti a membrana di tipo miniatura particolarmente per telefoni e simili IT965152B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17587971A 1971-08-30 1971-08-30

Publications (1)

Publication Number Publication Date
IT965152B true IT965152B (it) 1974-01-31

Family

ID=22642032

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69769/72A IT965152B (it) 1971-08-30 1972-08-29 Tastiera con contatti a membrana di tipo miniatura particolarmente per telefoni e simili

Country Status (12)

Country Link
US (1) US3743797A (de)
JP (1) JPS4833727A (de)
AR (1) AR202781A1 (de)
AU (1) AU471677B2 (de)
BE (1) BE787997A (de)
CA (1) CA948557A (de)
DE (1) DE2242255A1 (de)
FR (1) FR2150941B1 (de)
GB (1) GB1408297A (de)
IT (1) IT965152B (de)
NL (1) NL7211757A (de)
SE (1) SE375637B (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911780A (en) * 1972-07-17 1975-10-14 Hammond Corp Arpeggio keyboard
US3886335A (en) * 1973-01-26 1975-05-27 Ind Electronics Engineers Inc Collated cable matrix switch
JPS5024770A (de) * 1973-07-05 1975-03-17
US3860771A (en) * 1973-10-29 1975-01-14 Chomerics Inc Keyboard switch assembly with dome shaped actuator having associated underlying contactor means
US3862382A (en) * 1973-10-29 1975-01-21 Chomerics Inc Keyboards switch assembly with multilayer pattern contact means
US4032729A (en) * 1973-12-21 1977-06-28 Rockwell International Corporation Low profile keyboard switch having panel hinged actuators and cantilevered beam snap acting contacts
AT337275B (de) * 1974-05-07 1977-06-27 Preh Elektro Feinmechanik Ultraschall-fernbedienungseinrichtung
US3987259A (en) * 1975-06-12 1976-10-19 Globe-Union Inc. Membrane switch apparatus having sequential bridging contact arrangement
US4065649A (en) * 1975-06-30 1977-12-27 Lake Center Industries Pressure sensitive matrix switch having apertured spacer with flexible double sided adhesive intermediate and channels optionally interposed between apertures
US4181964A (en) * 1975-07-02 1980-01-01 Texas Instruments Incorporated Integrated electronics assembly on a plastic chassis
US4090045A (en) * 1975-12-15 1978-05-16 Marsh Products, Inc. Keyboard strip switch assembly having multifurcated conductive screen contact with contact cleaning wiping-action
US4143253A (en) * 1977-04-25 1979-03-06 Amp Incorporated Optically clear membrane switch
JPS54124439U (de) * 1978-02-20 1979-08-31
US4376239A (en) * 1980-10-03 1983-03-08 Allen-Bradley Company Industrial membrane switch
DE3248631A1 (de) * 1982-12-30 1984-07-12 Wolfgang Schindler Programmier-hilfsgeraet
JPS6034636U (ja) * 1983-08-17 1985-03-09 三菱電機株式会社 多項目入力装置
FR2580240B1 (fr) * 1985-04-10 1987-07-10 Citroen Maxime Dispositif de regroupement constituant un clavier de contacteurs de commande d'equipements installes dans un vehicule automobile
DE3915645C2 (de) * 1989-05-12 1995-11-16 Mettler Toledo Albstadt Gmbh Preisrechnende elektronische Waage
AU677958B2 (en) * 1993-02-03 1997-05-15 A-Dec, Incorporated Control panel with sealed switch keypad
US6680678B2 (en) * 2001-02-07 2004-01-20 Umax Data Systems, Inc. Circuit layout arrangement for key switch signal recognition

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3290439A (en) * 1963-04-29 1966-12-06 Willcox Data encoding keyboard
US3308253A (en) * 1965-03-25 1967-03-07 Ibm Diaphragm switch having a diaphragm supported on an incompressible layer and an elastomer overlaying the diaphragm
US3544987A (en) * 1967-02-24 1970-12-01 Renville H Mcmann Jr Property protection alarm system
US3472974A (en) * 1967-09-25 1969-10-14 Automatic Elect Lab Pushbutton switch activated by a slide with a plurality of toggle joints and cams
US3591749A (en) * 1969-05-12 1971-07-06 Singer Co Printed circuit keyboard
US3600528A (en) * 1969-09-25 1971-08-17 Lematex Corp Multiple switch construction
US3584162A (en) * 1970-02-16 1971-06-08 Ibm Electrical keyboard switch mechanism with improved resilient diaphragm contact actuator
US3676615A (en) * 1970-07-13 1972-07-11 Ibm Pushbutton keyboard switch array and associated printed circuit logic cards

Also Published As

Publication number Publication date
AU4598472A (en) 1974-02-28
FR2150941B1 (de) 1976-08-13
SE375637B (de) 1975-04-21
JPS4833727A (de) 1973-05-12
CA948557A (en) 1974-06-04
NL7211757A (de) 1973-03-02
DE2242255A1 (de) 1973-03-08
AU471677B2 (en) 1976-04-29
US3743797A (en) 1973-07-03
BE787997A (fr) 1972-12-18
AR202781A1 (es) 1975-07-24
GB1408297A (en) 1975-10-01
FR2150941A1 (de) 1973-04-13

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