SE7407345L - - Google Patents

Info

Publication number
SE7407345L
SE7407345L SE7407345A SE7407345A SE7407345L SE 7407345 L SE7407345 L SE 7407345L SE 7407345 A SE7407345 A SE 7407345A SE 7407345 A SE7407345 A SE 7407345A SE 7407345 L SE7407345 L SE 7407345L
Authority
SE
Sweden
Prior art keywords
latch
handset
contact
hook
causes
Prior art date
Application number
SE7407345A
Other languages
Unknown language ( )
English (en)
Inventor
J F Wren
Original Assignee
Pye Ltd
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 Pye Ltd filed Critical Pye Ltd
Publication of SE7407345L publication Critical patent/SE7407345L/

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H04M1/312—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses pulses produced by electronic circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
SE7407345A 1973-06-08 1974-06-05 SE7407345L (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2739273A GB1411910A (en) 1973-06-08 1973-06-08 Push button telephone instruments

Publications (1)

Publication Number Publication Date
SE7407345L true SE7407345L (cs) 1974-12-09

Family

ID=10258849

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7407345A SE7407345L (cs) 1973-06-08 1974-06-05

Country Status (8)

Country Link
JP (1) JPS5431765B2 (cs)
BE (1) BE816008A (cs)
CA (1) CA1001787A (cs)
DE (1) DE2427584A1 (cs)
FR (1) FR2232889B1 (cs)
GB (1) GB1411910A (cs)
IT (1) IT1011936B (cs)
SE (1) SE7407345L (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53109922A (en) * 1977-01-29 1978-09-26 Kureha Chem Ind Co Ltd Preparation of anti-tumor polysaccharides
JPS53109915A (en) * 1977-01-29 1978-09-26 Kureha Chem Ind Co Ltd Preparation of anti-tumor polysaccharides
JPS53109914A (en) * 1977-01-29 1978-09-26 Kureha Chem Ind Co Ltd Preparation of anti-tumor polysaccharides
DE3037947C2 (de) * 1980-10-08 1983-01-05 Krone Gmbh, 1000 Berlin Taste zum Wählen bei aufgelegtem Handapparat mittels einer Tastatur und zum Lauthören

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2818558A (en) * 1954-06-17 1957-12-31 Bell Telephone Labor Inc Key pulsing circuit
US3614331A (en) * 1968-09-30 1971-10-19 Mkh Inc Keyboard pulse generator including a locking plate for use in telephone dialing

Also Published As

Publication number Publication date
FR2232889A1 (cs) 1975-01-03
JPS5431765B2 (cs) 1979-10-09
GB1411910A (en) 1975-10-29
JPS5034103A (cs) 1975-04-02
DE2427584A1 (de) 1975-01-02
CA1001787A (en) 1976-12-14
BE816008A (fr) 1974-12-06
IT1011936B (it) 1977-02-10
FR2232889B1 (cs) 1977-09-30

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