GB1198308A - Push Button Signalling - Google Patents

Push Button Signalling

Info

Publication number
GB1198308A
GB1198308A GB5574267A GB5574267A GB1198308A GB 1198308 A GB1198308 A GB 1198308A GB 5574267 A GB5574267 A GB 5574267A GB 5574267 A GB5574267 A GB 5574267A GB 1198308 A GB1198308 A GB 1198308A
Authority
GB
United Kingdom
Prior art keywords
piezo
push
elements
loaded
buttons
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
GB5574267A
Other languages
English (en)
Inventor
William Donald Cragg
Hugh Spence Leman
Thomas Dominic Hayes
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB5574267A priority Critical patent/GB1198308A/en
Priority to IE95468A priority patent/IE32241B1/xx
Priority to DE19681812021 priority patent/DE1812021A1/de
Priority to CH1808968A priority patent/CH492350A/de
Priority to FR1599158D priority patent/FR1599158A/fr
Priority to NL6817585A priority patent/NL6817585A/xx
Priority to ES361214A priority patent/ES361214A1/es
Priority to BE725116D priority patent/BE725116A/xx
Publication of GB1198308A publication Critical patent/GB1198308A/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)
  • Input From Keyboards Or The Like (AREA)
GB5574267A 1967-12-07 1967-12-07 Push Button Signalling Expired GB1198308A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GB5574267A GB1198308A (en) 1967-12-07 1967-12-07 Push Button Signalling
IE95468A IE32241B1 (en) 1967-12-07 1968-08-06 Push button signalling
DE19681812021 DE1812021A1 (de) 1967-12-07 1968-11-30 Signalgeber mit piezo-elektrischen Elementen
CH1808968A CH492350A (de) 1967-12-07 1968-12-04 Signalgeber mit mindestens einem piezo-elektrischen Element
FR1599158D FR1599158A (enExample) 1967-12-07 1968-12-05
NL6817585A NL6817585A (enExample) 1967-12-07 1968-12-06
ES361214A ES361214A1 (es) 1967-12-07 1968-12-07 Aparato que utiliza elementos piezoelectricos para comple- tar circuitos.
BE725116D BE725116A (enExample) 1967-12-07 1968-12-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5574267A GB1198308A (en) 1967-12-07 1967-12-07 Push Button Signalling

Publications (1)

Publication Number Publication Date
GB1198308A true GB1198308A (en) 1970-07-08

Family

ID=10474763

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5574267A Expired GB1198308A (en) 1967-12-07 1967-12-07 Push Button Signalling

Country Status (8)

Country Link
BE (1) BE725116A (enExample)
CH (1) CH492350A (enExample)
DE (1) DE1812021A1 (enExample)
ES (1) ES361214A1 (enExample)
FR (1) FR1599158A (enExample)
GB (1) GB1198308A (enExample)
IE (1) IE32241B1 (enExample)
NL (1) NL6817585A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241376A (en) * 1990-01-16 1991-08-28 Maygay Machines Machine control employing piezoelectric generator
EP1517520A3 (en) * 2003-09-16 2006-01-04 SK Teletech Co., Ltd. Slide-type mobile communication terminal

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1363215A (en) * 1973-01-04 1974-08-14 Mullard Ltd Mechanical-electrical transducer
JPS5410214B2 (enExample) * 1973-10-15 1979-05-02
DE4231734A1 (de) * 1991-09-26 1993-04-01 Fuji Electric Co Ltd Piezoelektrische einrichtung
BE1014200A7 (fr) * 2001-05-29 2003-06-03 Joye Jean Telephone pour handicapes concu pour permettre la manipulation, sans usage de la vue et/ou par des personnes a dexterite manuelle reduite.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241376A (en) * 1990-01-16 1991-08-28 Maygay Machines Machine control employing piezoelectric generator
EP1517520A3 (en) * 2003-09-16 2006-01-04 SK Teletech Co., Ltd. Slide-type mobile communication terminal

Also Published As

Publication number Publication date
DE1812021A1 (de) 1969-08-14
NL6817585A (enExample) 1969-06-10
FR1599158A (enExample) 1970-07-15
ES361214A1 (es) 1970-11-01
IE32241B1 (en) 1973-05-30
IE32241L (en) 1969-06-07
BE725116A (enExample) 1969-06-09
CH492350A (de) 1970-06-15

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee