JPS5860861A - 電話応答装置の監視装置 - Google Patents

電話応答装置の監視装置

Info

Publication number
JPS5860861A
JPS5860861A JP15905182A JP15905182A JPS5860861A JP S5860861 A JPS5860861 A JP S5860861A JP 15905182 A JP15905182 A JP 15905182A JP 15905182 A JP15905182 A JP 15905182A JP S5860861 A JPS5860861 A JP S5860861A
Authority
JP
Japan
Prior art keywords
circuit
output
telephone line
voltage
input terminal
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
JP15905182A
Other languages
English (en)
Japanese (ja)
Other versions
JPH03823B2 (enrdf_load_stackoverflow
Inventor
ブラツドフオ−ド・イ−・ハンスコム
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.)
TAD AVANTI
TEE EE DEE ABANTEI Inc
Original Assignee
TAD AVANTI
TEE EE DEE ABANTEI Inc
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 TAD AVANTI, TEE EE DEE ABANTEI Inc filed Critical TAD AVANTI
Publication of JPS5860861A publication Critical patent/JPS5860861A/ja
Priority to US06/544,611 priority Critical patent/US4646186A/en
Publication of JPH03823B2 publication Critical patent/JPH03823B2/ja
Granted 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
    • H04M1/64—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)
  • Monitoring And Testing Of Exchanges (AREA)
JP15905182A 1982-05-24 1982-09-14 電話応答装置の監視装置 Granted JPS5860861A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US06/544,611 US4646186A (en) 1982-09-14 1983-10-24 Cassette tape recorder with plural tape guide structure

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38118582A 1982-05-24 1982-05-24
US381185 1982-05-24

Publications (2)

Publication Number Publication Date
JPS5860861A true JPS5860861A (ja) 1983-04-11
JPH03823B2 JPH03823B2 (enrdf_load_stackoverflow) 1991-01-09

Family

ID=23504036

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15905182A Granted JPS5860861A (ja) 1982-05-24 1982-09-14 電話応答装置の監視装置

Country Status (2)

Country Link
JP (1) JPS5860861A (enrdf_load_stackoverflow)
GB (2) GB2121648B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60256236A (ja) * 1984-06-01 1985-12-17 Hashimoto Corp 不在応答録音機能を有するコ−ドレスホ−ン

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5039003A (enrdf_load_stackoverflow) * 1973-08-08 1975-04-10
JPS52134306A (en) * 1976-05-06 1977-11-10 Pioneer Electronic Corp Starting circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA952634A (en) * 1971-01-18 1974-08-06 Robert F. Mcalonie Tone ringer
IT1083388B (it) * 1977-06-20 1985-05-21 Cselt Centro Studi Lab Telecom Suoneria elettronica per apparecchi telefonici
GB1594765A (en) * 1978-03-09 1981-08-05 Ansafone Ltd Telephone answering machines

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5039003A (enrdf_load_stackoverflow) * 1973-08-08 1975-04-10
JPS52134306A (en) * 1976-05-06 1977-11-10 Pioneer Electronic Corp Starting circuit

Also Published As

Publication number Publication date
JPH03823B2 (enrdf_load_stackoverflow) 1991-01-09
GB2121648B (en) 1986-12-03
GB2166926B (en) 1986-11-26
GB2121648A (en) 1983-12-21
GB2166926A (en) 1986-05-14
GB8527469D0 (en) 1985-12-11

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