IT972200B - KEYBOARD FOR A SECTION DEVICE FOR TELECOMMUNICATION SYSTEMS CAZIONI - Google Patents

KEYBOARD FOR A SECTION DEVICE FOR TELECOMMUNICATION SYSTEMS CAZIONI

Info

Publication number
IT972200B
IT972200B IT30518/72A IT3051872A IT972200B IT 972200 B IT972200 B IT 972200B IT 30518/72 A IT30518/72 A IT 30518/72A IT 3051872 A IT3051872 A IT 3051872A IT 972200 B IT972200 B IT 972200B
Authority
IT
Italy
Prior art keywords
cazioni
keyboard
telecommunication systems
section device
section
Prior art date
Application number
IT30518/72A
Other languages
Italian (it)
Inventor
G Rivetta
E Mariotti
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Priority to IT30518/72A priority Critical patent/IT972200B/en
Priority to ZA737102A priority patent/ZA737102B/en
Priority to ES418704A priority patent/ES418704A1/en
Priority to BR7405/73A priority patent/BR7307405D0/en
Priority to CH1380973A priority patent/CH570029A5/xx
Priority to FR7335556A priority patent/FR2203238B1/fr
Priority to NL7313976A priority patent/NL7313976A/xx
Priority to AU61253/73A priority patent/AU478070B2/en
Priority to GB4778673A priority patent/GB1433184A/en
Priority to BE136625A priority patent/BE806007A/en
Priority to DE2351367A priority patent/DE2351367C2/en
Priority to JP11527573A priority patent/JPS5619146B2/ja
Priority to CA183,320A priority patent/CA994021A/en
Priority to US406220A priority patent/US3870840A/en
Application granted granted Critical
Publication of IT972200B publication Critical patent/IT972200B/en

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Push-Button Switches (AREA)
  • Telephone Set Structure (AREA)
IT30518/72A 1972-10-16 1972-10-16 KEYBOARD FOR A SECTION DEVICE FOR TELECOMMUNICATION SYSTEMS CAZIONI IT972200B (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
IT30518/72A IT972200B (en) 1972-10-16 1972-10-16 KEYBOARD FOR A SECTION DEVICE FOR TELECOMMUNICATION SYSTEMS CAZIONI
ZA737102A ZA737102B (en) 1972-10-16 1973-09-05 Keyboard for a dialling device for telecommunication systems
ES418704A ES418704A1 (en) 1972-10-16 1973-09-12 Switch pushbutton-type digit keyboard switch with leaf spring contract and actuator biasing means on common conductive frame
BR7405/73A BR7307405D0 (en) 1972-10-16 1973-09-24 KEYBOARD FOR A DIAL DEVICE DEVICE FOR TELECOMMUNICATIONS SYSTEMS
CH1380973A CH570029A5 (en) 1972-10-16 1973-09-26
FR7335556A FR2203238B1 (en) 1972-10-16 1973-10-04
NL7313976A NL7313976A (en) 1972-10-16 1973-10-10
AU61253/73A AU478070B2 (en) 1972-10-19 1973-10-11 Process forthe hydroperoxidation of branched alkanes ina plurality of stages, comprising washings between the said stages
GB4778673A GB1433184A (en) 1972-10-16 1973-10-12 Push button keyboard switch assembly for a telecommunication system
BE136625A BE806007A (en) 1972-10-16 1973-10-12 KEYPAD FOR A SELECTION DEVICE FOR TELECOMMUNICATION SYSTEMS
DE2351367A DE2351367C2 (en) 1972-10-16 1973-10-12 Keyboard for a dialing device in a telecommunication device
JP11527573A JPS5619146B2 (en) 1972-10-16 1973-10-13
CA183,320A CA994021A (en) 1972-10-16 1973-10-15 Keyboard for a dialling device for telecommunication systems
US406220A US3870840A (en) 1972-10-16 1973-10-15 Switch pushbutton-type digit keyboard switch with leaf spring contract and actuator biasing means on common conductive frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT30518/72A IT972200B (en) 1972-10-16 1972-10-16 KEYBOARD FOR A SECTION DEVICE FOR TELECOMMUNICATION SYSTEMS CAZIONI

Publications (1)

Publication Number Publication Date
IT972200B true IT972200B (en) 1974-05-20

Family

ID=11229895

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30518/72A IT972200B (en) 1972-10-16 1972-10-16 KEYBOARD FOR A SECTION DEVICE FOR TELECOMMUNICATION SYSTEMS CAZIONI

Country Status (13)

Country Link
US (1) US3870840A (en)
JP (1) JPS5619146B2 (en)
BE (1) BE806007A (en)
BR (1) BR7307405D0 (en)
CA (1) CA994021A (en)
CH (1) CH570029A5 (en)
DE (1) DE2351367C2 (en)
ES (1) ES418704A1 (en)
FR (1) FR2203238B1 (en)
GB (1) GB1433184A (en)
IT (1) IT972200B (en)
NL (1) NL7313976A (en)
ZA (1) ZA737102B (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT337275B (en) * 1974-05-07 1977-06-27 Preh Elektro Feinmechanik ULTRASONIC REMOTE CONTROL DEVICE
US4063054A (en) * 1974-11-22 1977-12-13 Canon Kabushiki Kaisha Key switch
GB1529804A (en) * 1974-12-11 1978-10-25 Exxon Research Engineering Co Purification of pollutant-containing gases
US4032728A (en) * 1974-12-20 1977-06-28 Olympia Werke Ag Push button switch
US3971902A (en) * 1975-03-21 1976-07-27 Amp Incorporated Keyboard switch assembly having one piece plural pushbutton actuator and resilient mounting structure for plural cantilever beam contacts
US4029916A (en) * 1975-04-18 1977-06-14 Northern Electric Company Limited Multi-contact push-button switch and plural embodiment for keyboard switch assembly
US3996429A (en) * 1975-04-18 1976-12-07 Northern Electric Company Limited Multi-contact push-button switch having plural prestressed contact members designed to provide plural circuit simultaneous switching inputs
US3999025A (en) * 1975-07-30 1976-12-21 Burroughs Corporation Low profile tactile feedback keyboard switch assembly
US4024368A (en) * 1975-10-02 1977-05-17 Litton Systems, Inc. Switch assembly having selective actuation sensitivity
FR2336012A1 (en) * 1975-12-17 1977-07-15 Picart Lebas Telephones MULTI-FREQUENCY DIALING DEVICE FOR KEYPAD TELEPHONE SETTINGS
US4062181A (en) * 1976-01-16 1977-12-13 Hughes Aircraft Company Combination watch-calculator construction
US4099037A (en) * 1976-06-21 1978-07-04 National Semiconductor Corporation Key board switch assembly having canti-levered leaf spring contact assembly on common conductive frame
JPS5824347Y2 (en) * 1976-09-10 1983-05-25 アルプス電気株式会社 push button switch
US4120044A (en) * 1976-09-16 1978-10-10 Rca Corporation Data encoding keyboard
JPS5355412U (en) * 1976-10-12 1978-05-12
SE402654B (en) * 1976-12-21 1978-07-10 Ericsson Telefon Ab L M PUSH BUTTON SWITCH FOR USE IN CIRCUIT ORGANIZED ON A CIRCUIT CARD
ES233588Y (en) * 1978-01-27 1978-07-16 KEYBOARD FOR PHONES.
US4192976A (en) * 1978-12-29 1980-03-11 Gte Automatic Electric Laboratories Incorporated Pushbutton call transmitter
DE2950665A1 (en) * 1979-12-15 1981-06-19 Standard Elektrik Lorenz Ag, 7000 Stuttgart KEY DIALING BLOCK FOR TELEPHONE UNITS
US4415983A (en) * 1980-03-04 1983-11-15 Texas Instruments Incorporated System and method for aligning a display device
US4371760A (en) * 1981-03-05 1983-02-01 Apple Computer, Inc. Keyboard switch having combined actuator and jumper contact structure
US4496929A (en) * 1983-04-11 1985-01-29 Mcgraw-Edison Company Low current indicating fuse
DE3505033A1 (en) * 1985-02-14 1986-08-14 TA Triumph-Adler AG, 8500 Nürnberg KEY SWITCH
US5422447A (en) * 1992-09-01 1995-06-06 Key Tronic Corporation Keyboard with full-travel, self-leveling keyswitches and return mechanism keyswitch
US6350970B1 (en) * 1999-05-07 2002-02-26 Salton, Inc. Appliance switching mechanism and method
CN1280858C (en) * 2000-05-22 2006-10-18 数字无线有限责任公司 Input devices and their use
US7126498B2 (en) * 2002-02-27 2006-10-24 Digit Wireless, Llc Keypad construction
PT1509938E (en) * 2002-05-23 2006-07-31 Digit Wireless Llc KEY BLOCK AND KEY SWITCHES
TWI271638B (en) * 2005-05-03 2007-01-21 Benq Corp Method and related apparatus for inputting characters
JP5004715B2 (en) * 2007-08-10 2012-08-22 キヤノン株式会社 Electronics
DE102017114189A1 (en) * 2017-06-27 2018-12-27 Cherry Gmbh Carrier element for a keyboard, keyboard and method for producing a keyboard
DE102019106868A1 (en) * 2019-03-18 2020-09-24 Minimax Viking Research & Development Gmbh Carrier component of a housing of a hazard alarm control center and a hazard alarm control center, preferably an intrusion, fire alarm and / or extinguishing control center

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3109071A (en) * 1959-12-18 1963-10-29 Bell Telephone Labor Inc Telephone call transmitter
US3131265A (en) * 1960-12-30 1964-04-28 Gen Motors Corp Electric switch having a plurality of pivotally mounted switch actuators
DE1168496B (en) * 1963-02-01 1964-04-23 Siemens Ag Key-controlled device for electrical coding for telecommunications systems, in particular dialing device for coded dialing
DE1562149A1 (en) * 1968-01-31 1970-03-12 Telefonbau & Normalzeit Gmbh Dial keypad for telecommunication systems
DE1807559A1 (en) * 1968-11-07 1970-05-27 Standard Elek K Lorenz Ag Set of buttons for telecommunication systems
US3600528A (en) * 1969-09-25 1971-08-17 Lematex Corp Multiple switch construction
DE2120121A1 (en) * 1970-06-12 1971-12-30 Inst Fuer Nachrichtentechnik Keypad for sending out code signals for terminals in information processing systems, in particular for telephone sets in telephone systems
US3826882A (en) * 1971-09-06 1974-07-30 Olivetti & Co Spa Electric keyboards for office machines
US3786205A (en) * 1972-05-11 1974-01-15 Becton Dickinson Co Keyboard switch assembly with movable, multi-contact means and associated swinger portions

Also Published As

Publication number Publication date
AU6125373A (en) 1975-04-17
CH570029A5 (en) 1975-11-28
JPS4974806A (en) 1974-07-19
GB1433184A (en) 1976-04-22
US3870840A (en) 1975-03-11
DE2351367C2 (en) 1983-01-13
FR2203238A1 (en) 1974-05-10
CA994021A (en) 1976-07-27
NL7313976A (en) 1974-04-18
ES418704A1 (en) 1976-02-16
BR7307405D0 (en) 1974-08-29
ZA737102B (en) 1974-11-27
DE2351367A1 (en) 1974-05-09
FR2203238B1 (en) 1978-09-22
BE806007A (en) 1974-02-01
JPS5619146B2 (en) 1981-05-06

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