FR891381A - Quickly interchangeable barrel gun sight - Google Patents

Quickly interchangeable barrel gun sight

Info

Publication number
FR891381A
FR891381A FR891381DA FR891381A FR 891381 A FR891381 A FR 891381A FR 891381D A FR891381D A FR 891381DA FR 891381 A FR891381 A FR 891381A
Authority
FR
France
Prior art keywords
gun sight
barrel gun
interchangeable barrel
quickly interchangeable
quickly
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
Other languages
French (fr)
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.)
WAFFENWERKE BRU NN
Original Assignee
WAFFENWERKE BRU NN
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 WAFFENWERKE BRU NN filed Critical WAFFENWERKE BRU NN
Application granted granted Critical
Publication of FR891381A publication Critical patent/FR891381A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/40—Screens for shielding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/08—Vessels; Containers; Shields associated therewith; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H03B19/06—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes
    • H03B19/08—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a discharge device
    • H03B19/10—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a discharge device using multiplication only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/042—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant with reactance tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR891381D 1960-09-20 1943-02-19 Quickly interchangeable barrel gun sight Expired FR891381A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE225808X 1960-09-20

Publications (1)

Publication Number Publication Date
FR891381A true FR891381A (en) 1944-03-06

Family

ID=5862841

Family Applications (1)

Application Number Title Priority Date Filing Date
FR891381D Expired FR891381A (en) 1960-09-20 1943-02-19 Quickly interchangeable barrel gun sight

Country Status (2)

Country Link
CH (1) CH225808A (en)
FR (1) FR891381A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609539A1 (en) * 1987-01-09 1988-07-15 Matra Manurhin Defense Firearm with interchangeable barrel, such as a revolver, and associated foresight carrier
WO1993020398A1 (en) * 1992-03-30 1993-10-14 Richard Emerson Swan Extended rigid frame receiver sleeve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609539A1 (en) * 1987-01-09 1988-07-15 Matra Manurhin Defense Firearm with interchangeable barrel, such as a revolver, and associated foresight carrier
WO1993020398A1 (en) * 1992-03-30 1993-10-14 Richard Emerson Swan Extended rigid frame receiver sleeve
US5343650A (en) * 1992-03-30 1994-09-06 Swan Richard E Extended rigid frame receiver sleeve

Also Published As

Publication number Publication date
CH225808A (en) 1943-02-28

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