JPH0275859U - - Google Patents

Info

Publication number
JPH0275859U
JPH0275859U JP15521488U JP15521488U JPH0275859U JP H0275859 U JPH0275859 U JP H0275859U JP 15521488 U JP15521488 U JP 15521488U JP 15521488 U JP15521488 U JP 15521488U JP H0275859 U JPH0275859 U JP H0275859U
Authority
JP
Japan
Prior art keywords
frequency division
division ratio
basic signal
dividing
storage means
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.)
Granted
Application number
JP15521488U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0413868Y2 (en]
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 filed Critical
Priority to JP1988155214U priority Critical patent/JPH0413868Y2/ja
Priority to EP19890121850 priority patent/EP0371430B1/en
Priority to DE1989624578 priority patent/DE68924578T2/de
Publication of JPH0275859U publication Critical patent/JPH0275859U/ja
Application granted granted Critical
Publication of JPH0413868Y2 publication Critical patent/JPH0413868Y2/ja
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
    • H04M1/80—Telephone line holding circuits
    • 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
    • H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
    • H04M1/505—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies signals generated in digital form

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Facsimiles In General (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Electric Clocks (AREA)
JP1988155214U 1988-11-29 1988-11-29 Expired JPH0413868Y2 (en])

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1988155214U JPH0413868Y2 (en]) 1988-11-29 1988-11-29
EP19890121850 EP0371430B1 (en) 1988-11-29 1989-11-27 Holding sound generator for telephone
DE1989624578 DE68924578T2 (de) 1988-11-29 1989-11-27 Wartestellung-Schallgenerator für Telefon.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988155214U JPH0413868Y2 (en]) 1988-11-29 1988-11-29

Publications (2)

Publication Number Publication Date
JPH0275859U true JPH0275859U (en]) 1990-06-11
JPH0413868Y2 JPH0413868Y2 (en]) 1992-03-30

Family

ID=15601007

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988155214U Expired JPH0413868Y2 (en]) 1988-11-29 1988-11-29

Country Status (3)

Country Link
EP (1) EP0371430B1 (en])
JP (1) JPH0413868Y2 (en])
DE (1) DE68924578T2 (en])

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62154836A (ja) * 1985-12-26 1987-07-09 Rohm Co Ltd 選択信号発生装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824379A (en) * 1971-12-30 1974-07-16 Nippon Gakki Siezo Kk Variable frequency dividing circuit
NL160687C (nl) * 1972-06-10 1979-11-15 Philips Nv Toongenerator voor het opwekken van gekozen frequenties.
JPS55103488A (en) * 1979-01-31 1980-08-07 Sharp Corp Electronic watch
US4241408A (en) * 1979-04-04 1980-12-23 Norlin Industries, Inc. High resolution fractional divider
FR2536612B3 (fr) * 1982-11-19 1985-09-27 Realisa Audio Visuelles Et Dispositif de memorisation et de restitution de signal sonore
US4769836A (en) * 1986-04-07 1988-09-06 Casio Computer Co., Ltd. Dialing tone generator employing low frequency oscillator
DE3705629A1 (de) * 1987-02-21 1988-09-01 Thomson Brandt Gmbh Programmierbarer frequenzteiler sowie verfahren zur erzeugung eines niederfrequenten signals aus einem hochfrequenten signal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62154836A (ja) * 1985-12-26 1987-07-09 Rohm Co Ltd 選択信号発生装置

Also Published As

Publication number Publication date
EP0371430A3 (en) 1992-04-01
JPH0413868Y2 (en]) 1992-03-30
EP0371430A2 (en) 1990-06-06
DE68924578D1 (de) 1995-11-23
EP0371430B1 (en) 1995-10-18
DE68924578T2 (de) 1996-03-21

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