CA978506A - Light shield for an indicating instrument - Google Patents

Light shield for an indicating instrument

Info

Publication number
CA978506A
CA978506A CA141,232A CA141232A CA978506A CA 978506 A CA978506 A CA 978506A CA 141232 A CA141232 A CA 141232A CA 978506 A CA978506 A CA 978506A
Authority
CA
Canada
Prior art keywords
light shield
indicating instrument
instrument
indicating
shield
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
CA141,232A
Other languages
English (en)
Other versions
CA141232S (en
Inventor
Burton M. Barrett
Buyrl A. Franks
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.)
Navico Inc
Original Assignee
Lowrance Electronics Manufacturing Corp
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 Lowrance Electronics Manufacturing Corp filed Critical Lowrance Electronics Manufacturing Corp
Application granted granted Critical
Publication of CA978506A publication Critical patent/CA978506A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/56—Display arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Indicating Measured Values (AREA)
  • Details Of Measuring Devices (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
CA141,232A 1971-11-08 1972-05-03 Light shield for an indicating instrument Expired CA978506A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19660871A 1971-11-08 1971-11-08

Publications (1)

Publication Number Publication Date
CA978506A true CA978506A (en) 1975-11-25

Family

ID=22726088

Family Applications (1)

Application Number Title Priority Date Filing Date
CA141,232A Expired CA978506A (en) 1971-11-08 1972-05-03 Light shield for an indicating instrument

Country Status (6)

Country Link
US (1) US3747413A (it)
JP (2) JPS4855750A (it)
CA (1) CA978506A (it)
DE (1) DE2228561A1 (it)
FR (1) FR2159868A5 (it)
IT (1) IT973394B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD244434S (en) 1975-06-09 1977-05-24 Lowrance Electronics, Inc. Portable sonar unit for fishermen
USD243589S (en) 1975-06-09 1977-03-08 Lowrance Electronics, Inc. Sonar unit for fishermen
JPH0630937B2 (ja) * 1987-05-15 1994-04-27 沖電気工業株式会社 インクリボンカセツト
JPH1138894A (ja) * 1997-05-22 1999-02-12 Zexel Corp 表示部の窓構造
US10012731B2 (en) 2014-04-03 2018-07-03 Johnson Outdoors Inc. Sonar mapping system
US10545235B2 (en) 2016-11-01 2020-01-28 Johnson Outdoors Inc. Sonar mapping system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1671272A (en) * 1922-10-20 1928-05-29 Toledo Scale Co Indicating device
US2395718A (en) * 1943-06-11 1946-02-26 Ruth E Bradley Condition responsive indicating instrument
US2819459A (en) * 1954-05-06 1958-01-07 Roy F Dodd Open-face non-glare type viewing hood
US2941441A (en) * 1954-07-09 1960-06-21 Ite Circuit Breaker Ltd Anti-glare instrument panel
US2863039A (en) * 1956-12-12 1958-12-02 Ruschell Lens Company Inc Lamp attachment
US3214596A (en) * 1962-10-31 1965-10-26 Machinery Electrification Inc Photoelectric sensor structure including light source and inclined lens
US3488102A (en) * 1966-03-25 1970-01-06 Technical Operations Inc Laser beam scanning apparatus

Also Published As

Publication number Publication date
JPS5724512U (it) 1982-02-08
FR2159868A5 (it) 1973-06-22
JPS4855750A (it) 1973-08-04
US3747413A (en) 1973-07-24
DE2228561A1 (de) 1973-05-17
IT973394B (it) 1974-06-10

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