JPS5422152A - Circuit for converting analog signal to digital signal and vice versa - Google Patents

Circuit for converting analog signal to digital signal and vice versa

Info

Publication number
JPS5422152A
JPS5422152A JP8683778A JP8683778A JPS5422152A JP S5422152 A JPS5422152 A JP S5422152A JP 8683778 A JP8683778 A JP 8683778A JP 8683778 A JP8683778 A JP 8683778A JP S5422152 A JPS5422152 A JP S5422152A
Authority
JP
Japan
Prior art keywords
circuit
vice versa
converting analog
digital signal
signal
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
JP8683778A
Other languages
English (en)
Other versions
JPS6123705B2 (ja
Inventor
Hirushiyuman Peetaa
Heefuaa Erunsuto
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.)
Siemens AG
Original Assignee
Siemens AG
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
Priority claimed from DE2732603A external-priority patent/DE2732603C3/de
Priority claimed from DE19772735401 external-priority patent/DE2735401A1/de
Application filed by Siemens AG filed Critical Siemens AG
Publication of JPS5422152A publication Critical patent/JPS5422152A/ja
Publication of JPS6123705B2 publication Critical patent/JPS6123705B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Telephonic Communication Services (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
JP8683778A 1977-07-19 1978-07-18 Circuit for converting analog signal to digital signal and vice versa Granted JPS5422152A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2732603A DE2732603C3 (de) 1977-07-19 1977-07-19 Schaltungsanordnung zur Umsetzung von Analog-Signalen in Digital-Signale und umgekehrt von Digital-Signalen in Analog-Signale
DE19772735401 DE2735401A1 (de) 1977-08-05 1977-08-05 Schaltungsanordnung zur umsetzung von analog-signalen in digital-signale und umgekehrt von digital-signalen in analog-signale

Publications (2)

Publication Number Publication Date
JPS5422152A true JPS5422152A (en) 1979-02-19
JPS6123705B2 JPS6123705B2 (ja) 1986-06-06

Family

ID=25772354

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8683778A Granted JPS5422152A (en) 1977-07-19 1978-07-18 Circuit for converting analog signal to digital signal and vice versa

Country Status (9)

Country Link
US (1) US4160878A (ja)
JP (1) JPS5422152A (ja)
AT (1) AT369602B (ja)
CH (1) CH642210A5 (ja)
FR (1) FR2398424A1 (ja)
GB (1) GB2001506B (ja)
IT (1) IT1097169B (ja)
NL (1) NL7807043A (ja)
SE (1) SE426125B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63166337A (ja) * 1986-12-18 1988-07-09 エイ・ティ・アンド・ティ・コーポレーション ポート回路

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31814E (en) * 1979-07-02 1985-01-22 Motorola, Inc. Three-party conference circuit for digital time-division-multiplex communication systems
US4493949A (en) * 1981-03-12 1985-01-15 Northern Telecom Limited Parallel operation of telephone equipment on a digital loop
US4479212A (en) * 1982-03-12 1984-10-23 At&T Bell Laboratories Conference circuit
GB2183965A (en) * 1985-12-10 1987-06-10 Weng Pu San Circuit structure of teleconference
US7130280B2 (en) * 2002-01-30 2006-10-31 Lucent Technologies Inc. Enhanced call service packet data terminal

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3395254A (en) * 1964-04-15 1968-07-30 Western Electric Co Pcm time division communication system conference circuit
FR1602502A (ja) * 1968-04-11 1970-12-21
DE2445092B1 (de) * 1974-09-20 1976-01-22 Siemens Ag Verfahren zum verbinden wenigstens dreier teilnehmer einer zeitmultiplex- fernmelde-, insbesondere pcm-fernsprechvermittlungsanlage
US3970797A (en) * 1975-01-13 1976-07-20 Gte Sylvania Incorporated Digital conference bridge
DE2534109B2 (de) * 1975-07-30 1979-03-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren und Schaltungsanordnung zur Umsetzung von Analog-Signalen in Dighal-Signale und von Digital-Signalen in Analog-Signale
US3997730A (en) * 1975-08-29 1976-12-14 Bell Telephone Laboratories, Incorporated Time division conference circuit
US4054755A (en) * 1976-10-14 1977-10-18 Gte Automatic Electric Laboratories Incorporated Conference circuit for pulse coded modulated telephony
US4049920A (en) * 1976-10-18 1977-09-20 Bell Telephone Laboratories, Incorporated Analog signal summing conference circuit
US4119807A (en) * 1977-06-13 1978-10-10 Rca Corporation Digital time division multiplex switching system
US4109111A (en) * 1977-08-23 1978-08-22 Digital Switch Corporation Method and apparatus for establishing conference calls in a time division multiplex pulse code modulation switching system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63166337A (ja) * 1986-12-18 1988-07-09 エイ・ティ・アンド・ティ・コーポレーション ポート回路

Also Published As

Publication number Publication date
IT1097169B (it) 1985-08-26
SE7807947L (sv) 1979-03-20
FR2398424A1 (fr) 1979-02-16
NL7807043A (nl) 1979-01-23
US4160878A (en) 1979-07-10
SE426125B (sv) 1982-12-06
GB2001506A (en) 1979-01-31
CH642210A5 (de) 1984-03-30
IT7825754A0 (it) 1978-07-17
AT369602B (de) 1983-01-25
FR2398424B1 (ja) 1980-06-20
JPS6123705B2 (ja) 1986-06-06
GB2001506B (en) 1982-03-17
ATA497578A (de) 1982-05-15

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