GB921625A - Improvements in or relating to keysenders - Google Patents

Improvements in or relating to keysenders

Info

Publication number
GB921625A
GB921625A GB31474/59A GB3147459A GB921625A GB 921625 A GB921625 A GB 921625A GB 31474/59 A GB31474/59 A GB 31474/59A GB 3147459 A GB3147459 A GB 3147459A GB 921625 A GB921625 A GB 921625A
Authority
GB
United Kingdom
Prior art keywords
button
contacts
pressing
plate
ring
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
GB31474/59A
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB921625A publication Critical patent/GB921625A/en
Expired legal-status Critical Current

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)
GB31474/59A 1958-11-03 1959-09-15 Improvements in or relating to keysenders Expired GB921625A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1015958 1958-11-03

Publications (1)

Publication Number Publication Date
GB921625A true GB921625A (en) 1963-03-20

Family

ID=20291803

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31474/59A Expired GB921625A (en) 1958-11-03 1959-09-15 Improvements in or relating to keysenders

Country Status (6)

Country Link
US (1) US3080457A (enrdf_load_stackoverflow)
BE (1) BE583117A (enrdf_load_stackoverflow)
DE (1) DE1101510B (enrdf_load_stackoverflow)
FR (1) FR1237655A (enrdf_load_stackoverflow)
GB (1) GB921625A (enrdf_load_stackoverflow)
NL (1) NL242116A (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE631062A (enrdf_load_stackoverflow) * 1962-04-20
DE1195819B (de) * 1963-09-04 1965-07-01 Holzer Patent Ag Tastenwaehler mit Drucktasten fuer Fernmelde-Anlagen
GB1199148A (en) * 1966-11-07 1970-07-15 Shell Mex Bp Ltd Data Capture
US3641286A (en) * 1970-10-05 1972-02-08 Selectro Corp Electromechanical keyboard independently operated switch mechanism with improved conductive resilient actuating means
US3705276A (en) * 1971-05-20 1972-12-05 Chomerics Inc Keyboard switch assembly with conductive plastic contactor and actuator spring sleeve biasing means
FR2336012A1 (fr) * 1975-12-17 1977-07-15 Picart Lebas Telephones Dispositif de numerotation a multifrequences pour poste telephonique a clavier a touches
US4042793A (en) * 1975-12-29 1977-08-16 Telephone Electronics Corporation Telephone mouthpiece keyboard
US4291201A (en) * 1979-04-09 1981-09-22 American Telecommunications Corporation Push-button dial assembly for telephones
USD275195S (en) 1981-07-30 1984-08-21 Telecommunications Radioelectriques & Telephoniques Telephone
CN109728347A (zh) * 2017-10-30 2019-05-07 中山天贸电池有限公司 一种锂离子电池分条的极片下卷装置及使用方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1634967A (en) * 1922-09-23 1927-07-05 Raymond E Vaughan Transmitter
BE470519A (enrdf_load_stackoverflow) * 1946-01-26
NL73400C (enrdf_load_stackoverflow) * 1948-02-05
US2748205A (en) * 1951-12-14 1956-05-29 Bryant Electric Co Switch
DE1016762B (de) * 1954-07-12 1957-10-03 Phil Habil Oskar Vierling Dr Vorrichtung zum Aussenden von Reihen elektrischer Impulse fuer Fernmelde-, insbesondere Fernsprechanlagen
BE558739A (enrdf_load_stackoverflow) * 1956-06-28

Also Published As

Publication number Publication date
BE583117A (fr) 1960-01-18
US3080457A (en) 1963-03-05
DE1101510B (de) 1961-03-09
NL242116A (enrdf_load_stackoverflow)
FR1237655A (fr) 1960-07-29

Similar Documents

Publication Publication Date Title
GB1352076A (en) Pushbutton keyboard system
ES387211A1 (es) Perfeccionamientos introducidos en mecanismos de manipula- cion con un teclado para accionar unos interruptores de dia-fragma.
GB921625A (en) Improvements in or relating to keysenders
GB911805A (en) Electric snap-action switch
GB1155505A (en) Electric Contact Mechanism
GB1139756A (en) Electric contact mechanism
GB885161A (en) Improvements in snap acting device
GB731050A (en) Improvements in electric limit switches
GB1358908A (en) Key operated switch and keyboard
GB879669A (en) Improvements in or relating to electric switches
GB1479026A (en) Push button switch
FR2280964A1 (fr) Interrupteurs a diaphragme et tableaux electriques comportant ces interrupteurs
GB543188A (en) Improvements in and connected with automatic circuit breakers and similar electrical switchgear
GB932856A (en) Improvements in or relating to telephone hand sets
GB1185500A (en) Snap-Action Electric Switch.
GB603924A (en) Improvements in or relating to push button electrical switch assemblages
GB950105A (en) Multi-pole switching unit with snap contacts
GB1141450A (en) Push button switch keysets for telephone instruments
GB879813A (en) Improvements in and relating to electric switches
GB1059340A (en) Electrical switching device
GB931341A (en) Improvements in or relating to electric switches
FR1268047A (fr) Dispositif électrodynamique servant à l'actionnement des éléments de commutation d'un interrupteur électrique, notamment d'un disjoncteur
GB924008A (en) Improvements in electric tumbler switches
GB1092237A (en) Improvements in or relating to an electric switch, operated by two push-buttons
GB904270A (en) Improvements in and relating to a telecommunication circuit comprising relays or relay selectors