Herschel receiver

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Herschel receiver
x = 50, y = 33, rule = B3/S23 21b2o27b$21b2o27b3$19b2o29b$19b2o29b$6b2o42b$7bo42b$7bobo40b$8b2o40b$ 4b2o44b$4b2o44b7$17b2o31b$17b2o29b2o$10b2o36b2o$5b2o2bo2bo37b$4bobo3b 2o38b$6bo30bo12b$36bobo11b$36b2o12b$45b2o3b$45bo4b$46bo3b$45b2o3b$bo8b 2o38b$b2o7b2o38b$obo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ WIDTH 480 HEIGHT 320 THUMBLAUNCH THUMBSIZE 2 POPUPWIDTH 840 X 8 Y 0 GPS 30 PAUSE 2 T 282 PAUSE 2 LOOP 283 ]]
Pattern type Conduit
Input Tandem glider
Output Herschel
Number of cells 48
Bounding box 46×32
Step Unknown
Recovery time
(ignoring FNG if any)
117 ticks
Minimum overclock period
(ignoring FNG if any)
Spartan? Yes
Discovered by Paul Callahan
Year of discovery 1996

Herschel receiver is a pattern that was found by Paul Callahan in 1996, as part of the first stable glider reflector. Used as a receiver, it converts two parallel input gliders (with path separations of 2, 5, or 6) to an R-pentomino, which is then converted to a Herschel by one of two known mechanisms (the first of which was found by David Buckingham in 1972 and 1996, and the second by Stephen Silver in October 1997). The version shown here uses Buckingham's R-to-B-heptomino converter followed by his B-to-Herschel converter.

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