DK408779A - Telefonsvareanlaeg - Google Patents

Telefonsvareanlaeg

Info

Publication number
DK408779A
DK408779A DK408779A DK408779A DK408779A DK 408779 A DK408779 A DK 408779A DK 408779 A DK408779 A DK 408779A DK 408779 A DK408779 A DK 408779A DK 408779 A DK408779 A DK 408779A
Authority
DK
Denmark
Prior art keywords
telephone products
telephone
products
Prior art date
Application number
DK408779A
Other languages
English (en)
Inventor
D R Wilson
Original Assignee
Plantronics
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 Plantronics filed Critical Plantronics
Publication of DK408779A publication Critical patent/DK408779A/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • H04M1/654—Telephone line monitoring circuits therefor, e.g. ring detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
DK408779A 1978-09-29 1979-09-28 Telefonsvareanlaeg DK408779A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94709578A 1978-09-29 1978-09-29

Publications (1)

Publication Number Publication Date
DK408779A true DK408779A (da) 1980-03-30

Family

ID=25485508

Family Applications (1)

Application Number Title Priority Date Filing Date
DK408779A DK408779A (da) 1978-09-29 1979-09-28 Telefonsvareanlaeg

Country Status (6)

Country Link
JP (1) JPS5546699A (da)
DE (1) DE2939523A1 (da)
DK (1) DK408779A (da)
FR (1) FR2437749A1 (da)
GB (1) GB2030821A (da)
SE (1) SE7907728L (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1140388A (en) * 1980-03-19 1983-02-01 Yuzo Okada Dipeptide sweetening composition
JPS60197055A (ja) * 1984-03-21 1985-10-05 Hashimoto Corp 信号の識別処理手段を有する留守番電話装置
US4567328A (en) * 1984-05-23 1986-01-28 Burroughs Corp. Energy detection circuit for a facsimile system controller
FR2603443A1 (fr) * 1986-08-28 1988-03-04 Ferbos Anne Procede de reconnaissance de tonalites telephoniques, dispositif mettant en oeuvre le procede, deviateur et repondeur telephoniques munis d'un tel dispositif
CA1259146A (en) * 1986-11-26 1989-09-05 Anthony K.D. Brown Dial tone detector
DE69111050T2 (de) * 1991-02-26 1995-11-23 Zoster Sa Verwendung von Neohesperidin-Dihydrochalcon zur Verstärkung des Körpers und des Mundgefühls von Nahrungsmitteln und Getränken.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1055596A (en) * 1962-10-15 1967-01-18 Shipton Electronics Ltd Improvements in or relating to telephone answering machines
US3715518A (en) * 1971-12-08 1973-02-06 Bell Telephone Labor Inc Interrupt network to protect a voice frequency signal detector from being talked-off by outgoing speech signals
GB1529951A (en) * 1975-05-28 1978-10-25 Ansafone Ltd Telephone answering machines
GB1525437A (en) * 1977-07-27 1978-09-20 Ansafone Ltd Telephone answering machines

Also Published As

Publication number Publication date
JPS5546699A (en) 1980-04-01
DE2939523A1 (de) 1980-07-10
GB2030821A (en) 1980-04-10
SE7907728L (sv) 1980-03-30
FR2437749A1 (fr) 1980-04-25

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