SG Fighter (SV-401)
Jet fighter style joystick with large thumb (Fire A), and index (Fire B) buttons, as well as two smaller buttons on the left of the thumb button; Start (right) and Fire C (left).
To the right a Slow-switch is found and on the joystick base an autofire switch.
Officially designed for SEGA Video Game System, and SEGA 16-bit Mega Drive, but is compatible with Commodore computers (C64/128, VIC-20, Amiga), Atari computers, and similar.
Jet Fighter (SV-126)
The Atari/Commodore version, had a different button setup but else practically the same.
Left of the thumb fire button the two buttons exchanged to switches which activated auto-fire mode (left) and adjusted frequency (right). On the right side there was a switch to change between Atari (incl. Commodore) and CPC interface.
As Auto-Fire is moved to the stick head, there is nothing on the base.
The PC version of the Fighter series, but did not share the Fighter lastname.
The connector was different, as for PC (D15 Male).
On the base has two wheels; one for auto-fire (right) and one for calibration (left).
On the stick there are switches as on the Jet Fighter, but the setup is auto-fire 1 (left) and Auto-fire 2 (right) to the left of the thumb fire button, and to the right a swrich for N and R.
Stick was white with red "lined" letters on base.
NES edition of the stick. The stick head had two buttons for Start (right) and Select (left), and a switch to the right for Auto-fire - frequency was adjusted on a wheel on the base.
As for design, it was similar to the PC edition; Nintendo-white with the model name Ni-5 in letters made from red horizontal lines.
All above share the same Patent no.