Portable electrical circuit experiment kit

TH29022UActive Publication Date: 2026-10-01UNIV OF PHAYAO
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Patent Information

Application Number
TH2103003571
Authority / Receiving Office
TH · TH
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2021-12-07
Publication Date
2026-10-01
Estimated Expiration
2027-12-06

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Claims

OCR09WP02 / 09 / 25691. The portable electrical circuit experiment kit consists of a cardboard box (1) with a lid measuring 210 mm wide, 360 mm long and 40 mm thick. The front of the cardboard box (1) shows the name (2) Portable Electrical Circuit Experiment Kit and the name (3) Experiment Worksheet. Inside the cardboard box (1) is an area that holds all the electronic components, which consist of: - fixed resistors (4) with values ​​of 15, 22, 100, 220, 470, 1k, 2k, 2.2k, 3k, 4.3k, 5k and 12k ohms - a light bulb (5) to show the operation of the circuit - a variable resistor (6) that can adjust the resistance value from 0-500 ohms - a voltage source (7) with 6 selectable DC voltage levels: 1.5, 3, 5, 6, 9 and 12 volts - an adapter (8) that receives AC current from the outside, converts it to DC current to supply to the voltage source (7) and wires (9) to connect the electronic components to connect the circuit according to the experiment worksheet (10);