Seiko Sonola Transistor Time-Dater Wall Clock
How are these clocks related to flip clocks ... Let's find out.
Update: My Clock arrived:
https://youtu.be/wOd82DsELh8
Details
These Seiko Sonola clocks are based on a brand of clock call ATO or Ato clocks (I don't know if you say "A - T - O" or the word "Ato" ). Ato clocks were marketed as far back as the 1920s. In the 50s and 60s a transistor was added to the electronic of these second generation ATOs, making them more reliable.
The pendulums of these clocks have two curved extensions that contain permanent magnets at the ends, within their hollow cores. These alternately swing in and out of two fixed coils.
The transistor in this clock, controls the current to what's called the motor coil on the right. The motor coil acquires a magnetic field when power flows through it, drawing the pendulum towards itself - which is the impulse that keeps the pendulum moving. The other coil acts as a trigger for the transistor to send current to the motor coil. As the magnetic rod passes into the trigger coil on the left, it generates a small current that is sent to the transistor. While the rod remains moving in the trigger coil the power will remain on to the motor coil by the action of the transistor acting like a switch. Once the rod exits the trigger coil, the power to the transistor stops, which interrupts the power to the motor coil, causing the magnetic draw to cease, allowing the pendulum to continue its swing back into the trigger coil - repeating the process.
The Date and Day feature of these Time-Dater models have wheels that remind me of the World's first digital clock designed by Austrian inventor, Josef Pallweber in 1883. Pallweber, you may know, patented the World's first flip clock in 1890. Which is why this clock showed up on a YouTube Channel devoted to flip clocks.
Видео Seiko Sonola Transistor Time-Dater Wall Clock канала Flipclockfans
Update: My Clock arrived:
https://youtu.be/wOd82DsELh8
Details
These Seiko Sonola clocks are based on a brand of clock call ATO or Ato clocks (I don't know if you say "A - T - O" or the word "Ato" ). Ato clocks were marketed as far back as the 1920s. In the 50s and 60s a transistor was added to the electronic of these second generation ATOs, making them more reliable.
The pendulums of these clocks have two curved extensions that contain permanent magnets at the ends, within their hollow cores. These alternately swing in and out of two fixed coils.
The transistor in this clock, controls the current to what's called the motor coil on the right. The motor coil acquires a magnetic field when power flows through it, drawing the pendulum towards itself - which is the impulse that keeps the pendulum moving. The other coil acts as a trigger for the transistor to send current to the motor coil. As the magnetic rod passes into the trigger coil on the left, it generates a small current that is sent to the transistor. While the rod remains moving in the trigger coil the power will remain on to the motor coil by the action of the transistor acting like a switch. Once the rod exits the trigger coil, the power to the transistor stops, which interrupts the power to the motor coil, causing the magnetic draw to cease, allowing the pendulum to continue its swing back into the trigger coil - repeating the process.
The Date and Day feature of these Time-Dater models have wheels that remind me of the World's first digital clock designed by Austrian inventor, Josef Pallweber in 1883. Pallweber, you may know, patented the World's first flip clock in 1890. Which is why this clock showed up on a YouTube Channel devoted to flip clocks.
Видео Seiko Sonola Transistor Time-Dater Wall Clock канала Flipclockfans
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