GB9704114D0 - Protection arrangement for radio frequency instruments - Google Patents

Protection arrangement for radio frequency instruments

Info

Publication number
GB9704114D0
GB9704114D0 GBGB9704114.9A GB9704114A GB9704114D0 GB 9704114 D0 GB9704114 D0 GB 9704114D0 GB 9704114 A GB9704114 A GB 9704114A GB 9704114 D0 GB9704114 D0 GB 9704114D0
Authority
GB
United Kingdom
Prior art keywords
radio frequency
protection arrangement
frequency instruments
instruments
arrangement
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
GBGB9704114.9A
Other versions
GB2312558A (en
GB2312558B (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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 US08/609,151 external-priority patent/US5684441A/en
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Priority to GB9714400A priority Critical patent/GB2312798B/en
Priority claimed from GB9714400A external-priority patent/GB2312798B/en
Publication of GB9704114D0 publication Critical patent/GB9704114D0/en
Publication of GB2312558A publication Critical patent/GB2312558A/en
Application granted granted Critical
Publication of GB2312558B publication Critical patent/GB2312558B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/003—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to reversal of power transmission direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/28—Relays having both armature and contacts within a sealed casing outside which the operating coil is located, e.g. contact carried by a magnetic leaf spring or reed
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007—Casings
    • H05K9/002—Casings with localised screening
    • H05K9/0039—Galvanic coupling of ground layer on printed circuit board [PCB] to conductive casing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0066—Constructional details of transient suppressor

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
GB9704114A 1996-02-29 1997-02-27 Protection arrangement for high frequency instruments Expired - Fee Related GB2312558B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9714400A GB2312798B (en) 1996-02-29 1997-02-27 Protection circuit for radio frequency instruments

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/609,151 US5684441A (en) 1996-02-29 1996-02-29 Reverse power protection circuit and relay
GB9714400A GB2312798B (en) 1996-02-29 1997-02-27 Protection circuit for radio frequency instruments

Publications (3)

Publication Number Publication Date
GB9704114D0 true GB9704114D0 (en) 1997-04-16
GB2312558A GB2312558A (en) 1997-10-29
GB2312558B GB2312558B (en) 1999-02-24

Family

ID=26311853

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9704114A Expired - Fee Related GB2312558B (en) 1996-02-29 1997-02-27 Protection arrangement for high frequency instruments

Country Status (1)

Country Link
GB (1) GB2312558B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113625046A (en) * 2021-07-01 2021-11-09 南京理工大学 High-power automatic protection circuit based on MEMS micro-cantilever and graphene CPW transmission line

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5258731A (en) * 1992-10-15 1993-11-02 Hewlett-Packard Company Coaxial reverse power protection relay

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113625046A (en) * 2021-07-01 2021-11-09 南京理工大学 High-power automatic protection circuit based on MEMS micro-cantilever and graphene CPW transmission line

Also Published As

Publication number Publication date
GB2312558A (en) 1997-10-29
GB2312558B (en) 1999-02-24

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070227