NO131319B - - Google Patents

Download PDF

Info

Publication number
NO131319B
NO131319B NO1675/69A NO167569A NO131319B NO 131319 B NO131319 B NO 131319B NO 1675/69 A NO1675/69 A NO 1675/69A NO 167569 A NO167569 A NO 167569A NO 131319 B NO131319 B NO 131319B
Authority
NO
Norway
Prior art keywords
valve
return valve
spring
return
venting
Prior art date
Application number
NO1675/69A
Other languages
English (en)
Norwegian (no)
Other versions
NO131319C (https=
Inventor
D Leyburn
D J Horton
E G F Baker
C Lemieux
Original Assignee
Bell Canada
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 Bell Canada filed Critical Bell Canada
Publication of NO131319B publication Critical patent/NO131319B/no
Publication of NO131319C publication Critical patent/NO131319C/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/022—One-way selective calling networks, e.g. wide area paging

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
NO1675/69A 1968-07-04 1969-04-23 NO131319C (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA876266A CA876266A (en) 1968-07-04 1968-07-04 Telephone paging system and method

Publications (2)

Publication Number Publication Date
NO131319B true NO131319B (https=) 1975-01-27
NO131319C NO131319C (https=) 1975-05-07

Family

ID=4084351

Family Applications (1)

Application Number Title Priority Date Filing Date
NO1675/69A NO131319C (https=) 1968-07-04 1969-04-23

Country Status (14)

Country Link
US (1) US3575558A (https=)
AT (1) AT311427B (https=)
BE (1) BE730238A (https=)
CA (1) CA876266A (https=)
CH (1) CH512166A (https=)
DE (1) DE1817487B2 (https=)
ES (1) ES367472A1 (https=)
FR (1) FR1604686A (https=)
GB (1) GB1210590A (https=)
HU (1) HU162540B (https=)
NL (1) NL145429B (https=)
NO (1) NO131319C (https=)
SE (1) SE359716B (https=)
SU (1) SU432737A3 (https=)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836726A (en) * 1971-10-25 1974-09-17 Martin Marietta Corp Data transmission method and apparatus
US4072638A (en) * 1972-05-15 1978-02-07 Solvay & Cie Halogenated polyether polyols and polyurethane foams produced therefrom
US3818145A (en) * 1972-07-19 1974-06-18 United Eng Corp Radio paging system
US3902022A (en) * 1973-09-19 1975-08-26 Motorola Inc Multiplex system for paging terminals and method
DE2709855A1 (de) * 1977-03-07 1978-09-14 Siemens Ag Fernsprech- und datennetz fuer mobile teilnehmer
US4178475A (en) * 1978-03-09 1979-12-11 General Communications Co., Inc. Method and control apparatus for radio paging systems
US4178476A (en) * 1978-05-26 1979-12-11 Frost Edward G Automatic nationwide paging system
DE2938808A1 (de) * 1979-09-25 1981-04-09 Siemens AG, 1000 Berlin und 8000 München System zum aufbau von fernsprechverbindungen, insbesondere nationale grenzen ueberschreitende fernsprechverbindungen, zwischen stationaeren oder mobilen fernsprechstationen zu mobilen fernsprechstationen, z.b. funkfernsprechstationen
DE2950387C2 (de) * 1979-12-14 1982-06-24 Siemens AG, 1000 Berlin und 8000 München Vermittlungssystem mit Personensuchfunktion
NZ197059A (en) * 1980-05-23 1983-11-30 Post Office Nationwide radiopaging:selective zone transmissions
KR880700603A (ko) * 1985-08-08 1988-03-15 원본미기재 전국 무선 페이징 시스템의 주사용 수신기
DE3687267T2 (de) * 1985-08-08 1993-04-15 Metrocast Landesweites funkrufsystem.
GB8619875D0 (en) * 1986-08-15 1986-09-24 British Telecomm Communications system
US4723264A (en) * 1987-06-19 1988-02-02 Motorola, Inc. Signalling method for establishing trunked communication
USH610H (en) 1987-08-17 1989-03-07 American Telephone And Telegraph Company Cellular pager
US4878051A (en) * 1988-02-22 1989-10-31 Telefind Corp. Paging system with commands for changing functionality of a paging receiver
US4870410A (en) * 1988-02-22 1989-09-26 Telefind Corp. Paging system local switch
US4866431A (en) * 1988-02-22 1989-09-12 Telefind Corp. Paging system hub switch
US4876538A (en) * 1988-02-22 1989-10-24 Telefind Corp. Paging system sublocal switch
US4868860A (en) * 1988-02-22 1989-09-19 Telefind Corp. Paging system for entering pages by local telephone call
US4875039A (en) * 1988-02-22 1989-10-17 Telefind Corp. Paging system with transmission protocol compatible with analog and digital transmitters
US4868562A (en) * 1988-02-22 1989-09-19 Telefind Corp. Paging system
US4868558A (en) * 1988-02-22 1989-09-19 Telefind Corp. Paging system lata switch
US4993059A (en) * 1989-02-08 1991-02-12 Cableguard, Inc. Alarm system utilizing wireless communication path
JP3222485B2 (ja) * 1990-06-20 2001-10-29 エニー株式会社 携帯用無線送受信方法
US5247700A (en) * 1990-11-16 1993-09-21 Universal Cellular, Inc. Cellular telephone with pager
DE69225925T2 (de) * 1991-04-17 1998-10-22 Ericsson Telefon Ab L M Zellulares Kommunikationssystem mit integrierten Funkrufsystem
US5315636A (en) * 1991-06-28 1994-05-24 Network Access Corporation Personal telecommunications system
US5710978A (en) * 1993-06-29 1998-01-20 Swift Computers, Inc. Logging recorder system for trunking radio
US5625890A (en) * 1993-06-29 1997-04-29 Swift Computers, Inc. Logging recorder system for trunking radio
WO1995007595A1 (en) 1993-09-08 1995-03-16 Pacific Communication Sciences, Inc. A portable communications and data terminal having multiple modes of operation
US5544222A (en) * 1993-11-12 1996-08-06 Pacific Communication Sciences, Inc. Cellular digtial packet data mobile data base station
US6329902B1 (en) 1994-04-20 2001-12-11 Cellco Partnership Wide area two-way paging using a mesh network with paging receivers
US6370135B1 (en) 1995-06-07 2002-04-09 Cirrus Logic, Inc. Continuous CDPD base station and method of facilitating efficient data transfer
US6334062B1 (en) 1995-06-07 2001-12-25 Cirrus Logic, Inc. Portable communications and data terminal operating to optimize receipt of both incoming CDPD and AMPS messages
KR0168786B1 (ko) * 1995-07-21 1999-02-01 김광호 무선 호출 시스템의 광역호 처리방법
US5737706A (en) * 1995-08-03 1998-04-07 Bell Atlantic Network Services, Inc. Power system supporting CDPD operation
GB0004178D0 (en) * 2000-02-22 2000-04-12 Nokia Networks Oy Integrity check in a communication system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2259316A (en) * 1939-02-23 1941-10-14 Westinghouse Electric & Mfg Co Highway radio system
US3041402A (en) * 1958-07-03 1962-06-26 Automatic Elect Lab Automatic mobile telephone system
US2985719A (en) * 1959-11-12 1961-05-23 Gen Electric Automatic direct paging system

Also Published As

Publication number Publication date
HU162540B (https=) 1973-03-28
NL145429B (nl) 1975-03-17
BE730238A (https=) 1969-09-01
CA876266A (en) 1971-07-20
NL6902418A (https=) 1970-01-06
GB1210590A (en) 1970-10-28
SE359716B (https=) 1973-09-03
US3575558A (en) 1971-04-20
ES367472A1 (es) 1971-06-16
NO131319C (https=) 1975-05-07
DE1817487B2 (de) 1975-08-21
SU432737A3 (ru) 1974-06-15
FR1604686A (https=) 1972-01-03
CH512166A (de) 1971-08-31
AT311427B (de) 1973-11-12
DE1817487A1 (de) 1970-02-12

Similar Documents

Publication Publication Date Title
NO131319B (https=)
NO136133B (no) Hydropneumatisk l¦fteaggregat.
KR880002081B1 (ko) 드레인 배출장치
US4042178A (en) Shutoff valve construction particularly for high pressure
US2316052A (en) Moisture removing device for air compressor systems
SE333791B (https=)
US1157215A (en) Valve for hydraulic machines.
US2275132A (en) Discharge valve
GB715383A (en) Improvements in or relating to valve-controlled conduits for fluids
US1999369A (en) Valve mechanism for portable tools
US2351956A (en) Semiautomatic operating device for garment presses
US3565113A (en) Timing device for the control of fluid flow
US2297797A (en) Valve device
SU83931A1 (ru) Распределитель сжатого воздуха поплавкового пневмонасоса
US1412925A (en) Automatically-controlled flush valve
US1437136A (en) Automatic safety check valve
JPH0429175Y2 (https=)
US472855A (en) Cylinder drain-cock
US1954812A (en) Drifting valve
US1297193A (en) Steam-regulating valve.
US1260184A (en) Fluid-operated valve mechanism.
NO128489B (https=)
US1788593A (en) Balanced valve
SU418669A1 (ru) Регулирующее устройство, поддерживающее давление «после себя»
US877202A (en) Reversing-lever and quadrant-bar.