HK1000080A1 - Analog/digital data storage system - Google Patents

Analog/digital data storage system

Info

Publication number
HK1000080A1
HK1000080A1 HK97101615A HK97101615A HK1000080A1 HK 1000080 A1 HK1000080 A1 HK 1000080A1 HK 97101615 A HK97101615 A HK 97101615A HK 97101615 A HK97101615 A HK 97101615A HK 1000080 A1 HK1000080 A1 HK 1000080A1
Authority
HK
Hong Kong
Prior art keywords
analog
memory
storage system
rate
message
Prior art date
Application number
HK97101615A
Other languages
English (en)
Inventor
Richard J Helferich
Original Assignee
Richard J Helferich
Thompson Trust
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 US07/077,496 external-priority patent/US4905003A/en
Priority claimed from US07/110,201 external-priority patent/US4864301A/en
Application filed by Richard J Helferich, Thompson Trust filed Critical Richard J Helferich
Publication of HK1000080A1 publication Critical patent/HK1000080A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/02—Reversible analogue/digital converters
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
    • G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
    • G08B3/1025—Paging receivers with audible signalling details
    • G08B3/105—Paging receivers with audible signalling details with call or message storage means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/662—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a time/frequency relationship, e.g. time compression or expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Transceivers (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Circuits Of Receivers In General (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
HK97101615A 1987-07-24 1997-07-29 Analog/digital data storage system HK1000080A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/077,496 US4905003A (en) 1987-07-24 1987-07-24 Analog/digital data storage system
US11000287A 1987-10-19 1987-10-19
US07/110,201 US4864301A (en) 1987-07-24 1987-10-19 Variable speed transmission recording and retrieval of data
PCT/US1988/002499 WO1989001264A1 (en) 1987-07-24 1988-07-22 Analog/digital data storage system

Publications (1)

Publication Number Publication Date
HK1000080A1 true HK1000080A1 (en) 1997-11-14

Family

ID=27373117

Family Applications (1)

Application Number Title Priority Date Filing Date
HK97101615A HK1000080A1 (en) 1987-07-24 1997-07-29 Analog/digital data storage system

Country Status (9)

Country Link
EP (5) EP0684590B1 (ko)
JP (1) JPH1075261A (ko)
KR (2) KR0162483B1 (ko)
AT (3) ATE207231T1 (ko)
AU (1) AU2129688A (ko)
CA (1) CA1291218C (ko)
DE (4) DE3855694T2 (ko)
HK (1) HK1000080A1 (ko)
WO (1) WO1989001264A1 (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5003576A (en) * 1987-07-24 1991-03-26 Richard J. Helferich Analog/digital voice storage cellular telephone
USRE34976E (en) * 1987-07-24 1995-06-20 Richard J. Helferich Analog/digital voice storage cellular telephone
USRE37618E1 (en) 1987-07-24 2002-04-02 Richard J. Helferich Analog/digital data storage system
FR2717647B1 (fr) * 1994-03-17 1996-04-12 Slyo Habraham Transmission de paroles, messages de longues durées par les réseaux téléphoniques, dans un délai très court.
EP1150445A3 (en) 2000-04-24 2008-06-04 Sony Corporation Method and device for transmitting media data comprising time stamp information, method and terminal device for receiving this data, method and device for receiving digital broadcasts and method and device for calculating the transmission time of the media data, based on the time stamp information
KR20040104120A (ko) 2003-06-03 2004-12-10 삼성전자주식회사 컴퓨터 시스템 및 그 제어방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5727627B2 (ko) * 1972-08-28 1982-06-11
US4182989A (en) * 1975-10-24 1980-01-08 Nissan Motor Company, Inc. System for establishing a communication link between a ground station and each of vehicle drivers within a limited communication area
US4168813A (en) * 1976-10-12 1979-09-25 The Boeing Company Guidance system for missiles
JPS5859657A (ja) * 1981-10-05 1983-04-08 Oki Electric Ind Co Ltd 留守番電話装置
US4427980A (en) 1981-10-13 1984-01-24 Motorola, Inc. Encoder for transmitted message activation code
US4468813A (en) * 1982-12-06 1984-08-28 Motorola, Inc. Digital voice storage system
US4495647A (en) 1982-12-06 1985-01-22 Motorola, Inc. Digital voice storage mobile
US4652857A (en) * 1983-04-29 1987-03-24 Meiksin Zvi H Method and apparatus for transmitting wide-bandwidth frequency signals from mines and other power restricted environments
JPS60154743A (ja) 1984-01-25 1985-08-14 Sony Corp 時分割多重通信方式
US4651208A (en) * 1985-03-18 1987-03-17 Scientific Atlanta, Inc. Compatibility of widescreen and non-widescreen television transmissions
DE3579596D1 (de) 1985-10-17 1990-10-11 Ant Nachrichtentech Mobilfunksystem fuer die uebertragung sowohl digitaler als auch analoger signale.

Also Published As

Publication number Publication date
DE3856438T2 (de) 2001-04-19
EP0377581B1 (en) 1996-12-04
JPH1075261A (ja) 1998-03-17
DE3856495T4 (de) 2003-07-24
WO1989001264A1 (en) 1989-02-09
AU2129688A (en) 1989-03-01
EP0377581A1 (en) 1990-07-18
EP0684590A2 (en) 1995-11-29
EP0689176A2 (en) 1995-12-27
EP0684590A3 (en) 1996-01-24
EP0377581A4 (en) 1992-01-22
ATE197201T1 (de) 2000-11-15
ATE146020T1 (de) 1996-12-15
DE3856495D1 (de) 2001-11-22
EP0684590B1 (en) 2001-10-17
EP0689176A3 (ko) 1996-01-24
DE3855694D1 (de) 1997-01-16
EP0684589A2 (en) 1995-11-29
DE3856438D1 (de) 2000-11-30
EP0684589B1 (en) 2000-10-25
KR890702338A (ko) 1989-12-23
KR0169082B1 (ko) 1999-03-20
EP0614162A2 (en) 1994-09-07
EP0684589A3 (en) 1996-01-24
KR0162483B1 (ko) 1999-03-20
KR19980701733A (ko) 1998-06-25
ATE207231T1 (de) 2001-11-15
CA1291218C (en) 1991-10-22
DE3855694T2 (de) 1997-07-03
DE3856495T2 (de) 2002-06-27

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Legal Events

Date Code Title Description
PF Patent in force
AS Change of ownership

Owner name: RICHARD J. HELFERICH

Free format text: FORMER OWNER(S): RICHARD J. HELFERICH, THOMPSON TRUST

Owner name: THOMPSON INVESTMENT GROUP, LLC

Free format text: FORMER OWNER(S): RICHARD J. HELFERICH, THOMPSON TRUST

PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20060722