GB1515711A - Band compression technique for data communication - Google Patents

Band compression technique for data communication

Info

Publication number
GB1515711A
GB1515711A GB33582/75A GB3358275A GB1515711A GB 1515711 A GB1515711 A GB 1515711A GB 33582/75 A GB33582/75 A GB 33582/75A GB 3358275 A GB3358275 A GB 3358275A GB 1515711 A GB1515711 A GB 1515711A
Authority
GB
United Kingdom
Prior art keywords
data
carrier
cycle
pulse
registers
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.)
Expired
Application number
GB33582/75A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 JP49094943A external-priority patent/JPS5123010A/ja
Priority claimed from JP49102823A external-priority patent/JPS5746261B2/ja
Application filed by Individual filed Critical Individual
Publication of GB1515711A publication Critical patent/GB1515711A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
GB33582/75A 1974-08-21 1975-08-12 Band compression technique for data communication Expired GB1515711A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP49094943A JPS5123010A (cg-RX-API-DMAC7.html) 1974-08-21 1974-08-21
JP49102823A JPS5746261B2 (cg-RX-API-DMAC7.html) 1974-09-06 1974-09-06

Publications (1)

Publication Number Publication Date
GB1515711A true GB1515711A (en) 1978-06-28

Family

ID=26436167

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33582/75A Expired GB1515711A (en) 1974-08-21 1975-08-12 Band compression technique for data communication

Country Status (12)

Country Link
US (1) US4015204A (cg-RX-API-DMAC7.html)
AU (1) AU499915B2 (cg-RX-API-DMAC7.html)
BE (1) BE837226A (cg-RX-API-DMAC7.html)
CA (1) CA1079877A (cg-RX-API-DMAC7.html)
DE (1) DE2536737A1 (cg-RX-API-DMAC7.html)
FR (1) FR2282760A1 (cg-RX-API-DMAC7.html)
GB (1) GB1515711A (cg-RX-API-DMAC7.html)
IN (1) IN154636B (cg-RX-API-DMAC7.html)
IT (1) IT1059832B (cg-RX-API-DMAC7.html)
NL (1) NL172290C (cg-RX-API-DMAC7.html)
SE (1) SE422643B (cg-RX-API-DMAC7.html)
SU (1) SU826984A3 (cg-RX-API-DMAC7.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4347619A (en) * 1980-12-19 1982-08-31 Discovision Associates Digital formatting system
JPH0824380B2 (ja) * 1982-08-04 1996-03-06 ヨ−ゼフ・デイル カラーテレビジョン信号を符号化して伝送する方法
EP0110427B1 (de) * 1982-12-07 1990-03-28 Josef Dirr Verfahren für die Übertragung von Nachrichten, bei dem die Codierung der Signale durch die Grösse der Amplituden der Halbwellen oder Perioden eines sinusförmigen Wechselstromes erfolgt
FR2554998B1 (fr) * 1983-11-15 1986-06-27 Michel Max Procede et dispositif de modulation pour la transmission simultanee de signaux analogiques et de signaux numeriques
US4706150A (en) * 1984-06-29 1987-11-10 International Business Machines Corporation Switching protocal for multiple autonomous switching planes
FR2684507B1 (fr) * 1991-11-29 1994-09-30 Sagem Modem semi-duplex pour reseau de radiotelephones gsm.
US6167241A (en) * 1996-10-28 2000-12-26 Int Labs, Inc. Technique for performing amplitude modulation without cheating side-bands
US7535964B2 (en) * 2005-08-31 2009-05-19 Maxim Integrated Products, Inc. Self-clocked two-level differential signaling methods and apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1174375B (de) * 1962-06-07 1964-07-23 Standard Elektrik Lorenz Ag Verfahren zur UEbertragung von Nachrichten innerhalb eines kontinuierlichen Wellenzuges mittels eines Seriencodes
US3497618A (en) * 1966-08-19 1970-02-24 Digicom Inc Binary data transmission system with switching between positive and negative sinusoids at binary transition points
US3779321A (en) * 1972-06-30 1973-12-18 Teletype Corp Data transmitting systems
JPS5010906A (cg-RX-API-DMAC7.html) * 1973-05-28 1975-02-04
US3885217A (en) * 1973-07-11 1975-05-20 Computer Specifics Corp Data transmission system

Also Published As

Publication number Publication date
AU8414175A (en) 1977-02-24
NL172290C (nl) 1983-08-01
SE422643B (sv) 1982-03-15
FR2282760B1 (cg-RX-API-DMAC7.html) 1983-01-21
NL7509510A (nl) 1976-02-24
US4015204A (en) 1977-03-29
CA1079877A (en) 1980-06-17
BE837226A (fr) 1976-04-16
SE7509172L (sv) 1976-02-23
FR2282760A1 (fr) 1976-03-19
IN154636B (cg-RX-API-DMAC7.html) 1984-11-24
AU499915B2 (en) 1979-05-03
IT1059832B (it) 1982-06-21
DE2536737A1 (de) 1976-03-04
SU826984A3 (ru) 1981-04-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee