DE3279750D1 - Modem with low part - Google Patents

Modem with low part

Info

Publication number
DE3279750D1
DE3279750D1 DE8282104973T DE3279750T DE3279750D1 DE 3279750 D1 DE3279750 D1 DE 3279750D1 DE 8282104973 T DE8282104973 T DE 8282104973T DE 3279750 T DE3279750 T DE 3279750T DE 3279750 D1 DE3279750 D1 DE 3279750D1
Authority
DE
Germany
Prior art keywords
modem
low part
low
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
DE8282104973T
Other languages
English (en)
Inventor
Dale A Heatherington
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.)
Hayes Microcomputer Products Inc
Original Assignee
Hayes Microcomputer Products 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23043773&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3279750(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hayes Microcomputer Products Inc filed Critical Hayes Microcomputer Products Inc
Application granted granted Critical
Publication of DE3279750D1 publication Critical patent/DE3279750D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • 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
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Telephonic Communication Services (AREA)
  • Communication Control (AREA)
  • Bidirectional Digital Transmission (AREA)
DE8282104973T 1981-06-15 1982-06-07 Modem with low part Expired DE3279750D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27339881A 1981-06-15 1981-06-15

Publications (1)

Publication Number Publication Date
DE3279750D1 true DE3279750D1 (en) 1989-07-06

Family

ID=23043773

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1982104973 Pending DE67395T1 (de) 1981-06-15 1982-06-07 Modem mit niedriger bauelementenanzahl und verbessertem demodulator.
DE8282104973T Expired DE3279750D1 (en) 1981-06-15 1982-06-07 Modem with low part

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE1982104973 Pending DE67395T1 (de) 1981-06-15 1982-06-07 Modem mit niedriger bauelementenanzahl und verbessertem demodulator.

Country Status (6)

Country Link
EP (1) EP0067395B1 (de)
JP (1) JPH0646741B2 (de)
CA (1) CA1186080A (de)
DE (2) DE67395T1 (de)
HK (1) HK45491A (de)
SG (1) SG40091G (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4689801A (en) * 1983-10-11 1987-08-25 American Standard Inc. Microprocessor FSK data communications module
US5107518A (en) * 1990-05-01 1992-04-21 International Business Machines Corporation Lockup prevention method and apparatus
US5359648A (en) * 1992-12-28 1994-10-25 Rolm Company Escape sequence using monitoring of control signal states

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3908169A (en) * 1974-03-22 1975-09-23 Bell Telephone Labor Inc Frequency shift demodulator having a variable clock rate
DE2759259A1 (de) * 1977-12-30 1979-07-12 Licentia Gmbh Verfahren zur erkennung der frequenz eines binaer frequenzmodulierten signals
JPS5612161A (en) * 1979-07-10 1981-02-06 Tamura Electric Works Ltd Demodulation system for frequency shift signal
US4387440A (en) * 1980-03-03 1983-06-07 Eaton Michael D Modem control device code multiplexing

Also Published As

Publication number Publication date
SG40091G (en) 1993-02-19
JPH0646741B2 (ja) 1994-06-15
HK45491A (en) 1991-06-14
CA1186080A (en) 1985-04-23
JPS583352A (ja) 1983-01-10
EP0067395A2 (de) 1982-12-22
EP0067395A3 (en) 1984-03-07
DE67395T1 (de) 1983-10-13
EP0067395B1 (de) 1989-05-31

Similar Documents

Publication Publication Date Title
DE3269191D1 (en) Float arrangement
GB2105831B (en) Coiler-furnace combination
JPS57151076A (en) Fluid-force engine
JPS57157043A (en) Carburetor
DE3279750D1 (en) Modem with low part
CS879682A1 (en) Plochy pletaci stroj s klikovym pohonem jehel
DE3279271D1 (en) Carburetor
BG48180A1 (en) Stereocomparator
CS53182A1 (en) Rezne zarizeni s regulacnim zarizenim vysky rezu
CS75982A1 (en) Zarazedlo s brzdnym zarizenim
CS110085A1 (en) Svisla trubka s ciselnym programovym rizenim
CA49057S (en) Hydro-theraphy fitting
CA48729S (en) Infiltrometer
CA47741S (en) Walking-board
JPS57132829A (en) Float
PL233323A1 (en) Pillar-and-transom structure
CS224581A1 (en) Spoj oceloveho stlpa s ocelovou hlavicou
CS176482A2 (en) Treci spojka s jednostrannym oblozenim
CS760581A1 (en) Zpusob vetrani prostoru s vytapenim odpadnim teplem
CS602983A2 (en) Herbicidni prostredek s prisadou chranici kulturni rostlinu
CS586982A2 (en) Rozprasovaci zarizeni s magnetronovou katodou
CS384581A1 (en) Pohovka s pohyblivymi castmi
CS192081A1 (en) Regnelator napeti s drzakem kartacu
CS156281A1 (en) Zdroj iskrenia s viacnasobnym poctom iskier
CS649381A1 (en) Zapalovaci obvod s vykonovym generatorem

Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee