JPS5933139U - Tape end detection device - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図ａは従来のテープ終端検出装置の平面図、同図す
は同図ａの光源部の斜視図、第２図は第１図の動作説明
用のフローチャート、第３図以下の図面はこの考案のテ
ープ終端検出装置の実施例を示し、第３図は１実施例の
斜視図、第４図は第３図の正面図、第５図は他の実施例
の斜視図である。 １・・・ケース、５′・・・テープ、１１．１２・・・
第１、第２検出器、１５・・・発光ダイオード、１６・
・・変換器、２３・・・発光ダイオード。Fig. 1a is a plan view of a conventional tape end detection device, the same figure is a perspective view of the light source section of Fig. 1a, Fig. 2 is a flowchart for explaining the operation of Fig. 1, and Fig. 3 and subsequent drawings are Embodiments of the tape end detection device of this invention are shown; FIG. 3 is a perspective view of one embodiment, FIG. 4 is a front view of FIG. 3, and FIG. 5 is a perspective view of another embodiment. 1...Case, 5'...Tape, 11.12...
First and second detectors, 15... light emitting diode, 16...
...Converter, 23...Light emitting diode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] カセットテープのケース近辺に配設され平行光を投射す
る１個の光源と、該光源からの光の光路を同時に２個の
異なる方向に変換してテープに投射させる変換器と、該
変換器により光路を変換されテープの両終端を透搗する
光をそれぞれ検出する２個の検出器とを備えたテープ終
端検出装置。A light source disposed near the cassette tape case that projects parallel light, a converter that simultaneously converts the optical path of the light from the light source into two different directions and projects it onto the tape, and the converter A tape end detection device comprising two detectors each detecting light whose optical path is changed and passes through both ends of the tape.